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Finding the Fourth Proportional to 88,894.60, 133,341.90 and 82,136.20

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Solution

The fourth proportional to 88,894.60, 133,341.90 and 82,136.20 is: 123,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,894.60 : 133,341.90 = 82,136.20 : x
  2. Step 2: Convert to fraction form
    88,894.60/133,341.90 = 82,136.20/x
  3. Step 3: Cross multiply
    88,894.60x = 133,341.90 × 82,136.20
  4. Step 4: Simplify right side
    88,894.60x = 10,952,196,966.78
  5. Step 5: Solve for x
    x = 10,952,196,966.78/88,894.60
  6. Step 6: Final answer
    x = 123,204.30

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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.