Home / 122,432.15-168,948.13-67,981.52

Finding the Fourth Proportional to 122,432.15, 168,948.13 and 67,981.52

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Solution

The fourth proportional to 122,432.15, 168,948.13 and 67,981.52 is: 93,809.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,432.15 : 168,948.13 = 67,981.52 : x
  2. Step 2: Convert to fraction form
    122,432.15/168,948.13 = 67,981.52/x
  3. Step 3: Cross multiply
    122,432.15x = 168,948.13 × 67,981.52
  4. Step 4: Simplify right side
    122,432.15x = 11,485,350,678.56
  5. Step 5: Solve for x
    x = 11,485,350,678.56/122,432.15
  6. Step 6: Final answer
    x = 93,809.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.