Home / 94,519.20-141,545.36-70,445.78

Finding the Fourth Proportional to 94,519.20, 141,545.36 and 70,445.78

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Solution

The fourth proportional to 94,519.20, 141,545.36 and 70,445.78 is: 105,494.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,519.20 : 141,545.36 = 70,445.78 : x
  2. Step 2: Convert to fraction form
    94,519.20/141,545.36 = 70,445.78/x
  3. Step 3: Cross multiply
    94,519.20x = 141,545.36 × 70,445.78
  4. Step 4: Simplify right side
    94,519.20x = 9,971,272,938.35
  5. Step 5: Solve for x
    x = 9,971,272,938.35/94,519.20
  6. Step 6: Final answer
    x = 105,494.69

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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.