Home / 247,555.19-371,380.52-105,397.86

Finding the Fourth Proportional to 247,555.19, 371,380.52 and 105,397.86

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Solution

The fourth proportional to 247,555.19, 371,380.52 and 105,397.86 is: 158,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,555.19 : 371,380.52 = 105,397.86 : x
  2. Step 2: Convert to fraction form
    247,555.19/371,380.52 = 105,397.86/x
  3. Step 3: Cross multiply
    247,555.19x = 371,380.52 × 105,397.86
  4. Step 4: Simplify right side
    247,555.19x = 39,142,711,526.70
  5. Step 5: Solve for x
    x = 39,142,711,526.70/247,555.19
  6. Step 6: Final answer
    x = 158,117.11

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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.