Home / 131,849.29-197,779.40-38,355.04

Finding the Fourth Proportional to 131,849.29, 197,779.40 and 38,355.04

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Solution

The fourth proportional to 131,849.29, 197,779.40 and 38,355.04 is: 57,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,849.29 : 197,779.40 = 38,355.04 : x
  2. Step 2: Convert to fraction form
    131,849.29/197,779.40 = 38,355.04/x
  3. Step 3: Cross multiply
    131,849.29x = 197,779.40 × 38,355.04
  4. Step 4: Simplify right side
    131,849.29x = 7,585,836,111.95
  5. Step 5: Solve for x
    x = 7,585,836,111.95/131,849.29
  6. Step 6: Final answer
    x = 57,534.15

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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.