Home / 131,432.71-197,008.28-93,878.89

Finding the Fourth Proportional to 131,432.71, 197,008.28 and 93,878.89

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Solution

The fourth proportional to 131,432.71, 197,008.28 and 93,878.89 is: 140,717.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,432.71 : 197,008.28 = 93,878.89 : x
  2. Step 2: Convert to fraction form
    131,432.71/197,008.28 = 93,878.89/x
  3. Step 3: Cross multiply
    131,432.71x = 197,008.28 × 93,878.89
  4. Step 4: Simplify right side
    131,432.71x = 18,494,918,647.21
  5. Step 5: Solve for x
    x = 18,494,918,647.21/131,432.71
  6. Step 6: Final answer
    x = 140,717.78

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1.5x scale

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.