Home / 88,733.10-133,099.65-81,974.70

Finding the Fourth Proportional to 88,733.10, 133,099.65 and 81,974.70

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Solution

The fourth proportional to 88,733.10, 133,099.65 and 81,974.70 is: 122,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,733.10 : 133,099.65 = 81,974.70 : x
  2. Step 2: Convert to fraction form
    88,733.10/133,099.65 = 81,974.70/x
  3. Step 3: Cross multiply
    88,733.10x = 133,099.65 × 81,974.70
  4. Step 4: Simplify right side
    88,733.10x = 10,910,803,878.86
  5. Step 5: Solve for x
    x = 10,910,803,878.86/88,733.10
  6. Step 6: Final answer
    x = 122,962.05

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Similar ratio
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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.