Home / 215,616.24-323,486.76-89,233.16

Finding the Fourth Proportional to 215,616.24, 323,486.76 and 89,233.16

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Solution

The fourth proportional to 215,616.24, 323,486.76 and 89,233.16 is: 133,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,616.24 : 323,486.76 = 89,233.16 : x
  2. Step 2: Convert to fraction form
    215,616.24/323,486.76 = 89,233.16/x
  3. Step 3: Cross multiply
    215,616.24x = 323,486.76 × 89,233.16
  4. Step 4: Simplify right side
    215,616.24x = 28,865,745,812.96
  5. Step 5: Solve for x
    x = 28,865,745,812.96/215,616.24
  6. Step 6: Final answer
    x = 133,875.56

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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.