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Finding the Fourth Proportional to 114,559.70, 171,839.55 and 112,810.10

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Solution

The fourth proportional to 114,559.70, 171,839.55 and 112,810.10 is: 169,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,559.70 : 171,839.55 = 112,810.10 : x
  2. Step 2: Convert to fraction form
    114,559.70/171,839.55 = 112,810.10/x
  3. Step 3: Cross multiply
    114,559.70x = 171,839.55 × 112,810.10
  4. Step 4: Simplify right side
    114,559.70x = 19,385,236,819.46
  5. Step 5: Solve for x
    x = 19,385,236,819.46/114,559.70
  6. Step 6: Final answer
    x = 169,215.15

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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.