Home / 215,766.18-323,509.14-89,372.16

Finding the Fourth Proportional to 215,766.18, 323,509.14 and 89,372.16

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Solution

The fourth proportional to 215,766.18, 323,509.14 and 89,372.16 is: 134,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,766.18 : 323,509.14 = 89,372.16 : x
  2. Step 2: Convert to fraction form
    215,766.18/323,509.14 = 89,372.16/x
  3. Step 3: Cross multiply
    215,766.18x = 323,509.14 × 89,372.16
  4. Step 4: Simplify right side
    215,766.18x = 28,912,710,621.54
  5. Step 5: Solve for x
    x = 28,912,710,621.54/215,766.18
  6. Step 6: Final answer
    x = 134,000.20

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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.