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Finding the Fourth Proportional to 114,030.70, 171,046.05 and 84,579.10

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Solution

The fourth proportional to 114,030.70, 171,046.05 and 84,579.10 is: 126,868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,030.70 : 171,046.05 = 84,579.10 : x
  2. Step 2: Convert to fraction form
    114,030.70/171,046.05 = 84,579.10/x
  3. Step 3: Cross multiply
    114,030.70x = 171,046.05 × 84,579.10
  4. Step 4: Simplify right side
    114,030.70x = 14,466,920,967.56
  5. Step 5: Solve for x
    x = 14,466,920,967.56/114,030.70
  6. Step 6: Final answer
    x = 126,868.65

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.