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Finding the Fourth Proportional to 114,150.60, 171,225.90 and 51,821.10

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Solution

The fourth proportional to 114,150.60, 171,225.90 and 51,821.10 is: 77,731.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,150.60 : 171,225.90 = 51,821.10 : x
  2. Step 2: Convert to fraction form
    114,150.60/171,225.90 = 51,821.10/x
  3. Step 3: Cross multiply
    114,150.60x = 171,225.90 × 51,821.10
  4. Step 4: Simplify right side
    114,150.60x = 8,873,114,486.49
  5. Step 5: Solve for x
    x = 8,873,114,486.49/114,150.60
  6. Step 6: Final answer
    x = 77,731.65

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1.5x scale

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.