Home / 98,400.56-147,600.66-42,204.40

Finding the Fourth Proportional to 98,400.56, 147,600.66 and 42,204.40

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Solution

The fourth proportional to 98,400.56, 147,600.66 and 42,204.40 is: 63,306.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,400.56 : 147,600.66 = 42,204.40 : x
  2. Step 2: Convert to fraction form
    98,400.56/147,600.66 = 42,204.40/x
  3. Step 3: Cross multiply
    98,400.56x = 147,600.66 × 42,204.40
  4. Step 4: Simplify right side
    98,400.56x = 6,229,397,294.90
  5. Step 5: Solve for x
    x = 6,229,397,294.90/98,400.56
  6. Step 6: Final answer
    x = 63,306.52

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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.