Home / 89,077.60-133,616.40-88,463.20

Finding the Fourth Proportional to 89,077.60, 133,616.40 and 88,463.20

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Solution

The fourth proportional to 89,077.60, 133,616.40 and 88,463.20 is: 132,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,077.60 : 133,616.40 = 88,463.20 : x
  2. Step 2: Convert to fraction form
    89,077.60/133,616.40 = 88,463.20/x
  3. Step 3: Cross multiply
    89,077.60x = 133,616.40 × 88,463.20
  4. Step 4: Simplify right side
    89,077.60x = 11,820,134,316.48
  5. Step 5: Solve for x
    x = 11,820,134,316.48/89,077.60
  6. Step 6: Final answer
    x = 132,694.80

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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.