Home / 102,505.56-153,766.26-39,356.04

Finding the Fourth Proportional to 102,505.56, 153,766.26 and 39,356.04

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Solution

The fourth proportional to 102,505.56, 153,766.26 and 39,356.04 is: 59,037.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,505.56 : 153,766.26 = 39,356.04 : x
  2. Step 2: Convert to fraction form
    102,505.56/153,766.26 = 39,356.04/x
  3. Step 3: Cross multiply
    102,505.56x = 153,766.26 × 39,356.04
  4. Step 4: Simplify right side
    102,505.56x = 6,051,631,079.21
  5. Step 5: Solve for x
    x = 6,051,631,079.21/102,505.56
  6. Step 6: Final answer
    x = 59,037.10

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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.