Home / 101,780.33-152,684.89-39,457.13

Finding the Fourth Proportional to 101,780.33, 152,684.89 and 39,457.13

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Solution

The fourth proportional to 101,780.33, 152,684.89 and 39,457.13 is: 59,191.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,780.33 : 152,684.89 = 39,457.13 : x
  2. Step 2: Convert to fraction form
    101,780.33/152,684.89 = 39,457.13/x
  3. Step 3: Cross multiply
    101,780.33x = 152,684.89 × 39,457.13
  4. Step 4: Simplify right side
    101,780.33x = 6,024,506,691.70
  5. Step 5: Solve for x
    x = 6,024,506,691.70/101,780.33
  6. Step 6: Final answer
    x = 59,191.27

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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.