Home / 102,434.87-153,646.86-39,285.29

Finding the Fourth Proportional to 102,434.87, 153,646.86 and 39,285.29

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Solution

The fourth proportional to 102,434.87, 153,646.86 and 39,285.29 is: 58,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,434.87 : 153,646.86 = 39,285.29 : x
  2. Step 2: Convert to fraction form
    102,434.87/153,646.86 = 39,285.29/x
  3. Step 3: Cross multiply
    102,434.87x = 153,646.86 × 39,285.29
  4. Step 4: Simplify right side
    102,434.87x = 6,036,061,452.69
  5. Step 5: Solve for x
    x = 6,036,061,452.69/102,434.87
  6. Step 6: Final answer
    x = 58,925.85

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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.