Home / 89,229.12-133,865.76-62,985.12

Finding the Fourth Proportional to 89,229.12, 133,865.76 and 62,985.12

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Solution

The fourth proportional to 89,229.12, 133,865.76 and 62,985.12 is: 94,493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,229.12 : 133,865.76 = 62,985.12 : x
  2. Step 2: Convert to fraction form
    89,229.12/133,865.76 = 62,985.12/x
  3. Step 3: Cross multiply
    89,229.12x = 133,865.76 × 62,985.12
  4. Step 4: Simplify right side
    89,229.12x = 8,431,550,957.49
  5. Step 5: Solve for x
    x = 8,431,550,957.49/89,229.12
  6. Step 6: Final answer
    x = 94,493.27

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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.