Home / 95,142.08-131,296.56-61,666.40

Finding the Fourth Proportional to 95,142.08, 131,296.56 and 61,666.40

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Solution

The fourth proportional to 95,142.08, 131,296.56 and 61,666.40 is: 85,099.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,142.08 : 131,296.56 = 61,666.40 : x
  2. Step 2: Convert to fraction form
    95,142.08/131,296.56 = 61,666.40/x
  3. Step 3: Cross multiply
    95,142.08x = 131,296.56 × 61,666.40
  4. Step 4: Simplify right side
    95,142.08x = 8,096,586,187.58
  5. Step 5: Solve for x
    x = 8,096,586,187.58/95,142.08
  6. Step 6: Final answer
    x = 85,099.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.