Home / 94,921.47-131,099.18-64,654.20

Finding the Fourth Proportional to 94,921.47, 131,099.18 and 64,654.20

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Solution

The fourth proportional to 94,921.47, 131,099.18 and 64,654.20 is: 89,296.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,921.47 : 131,099.18 = 64,654.20 : x
  2. Step 2: Convert to fraction form
    94,921.47/131,099.18 = 64,654.20/x
  3. Step 3: Cross multiply
    94,921.47x = 131,099.18 × 64,654.20
  4. Step 4: Simplify right side
    94,921.47x = 8,476,112,280.29
  5. Step 5: Solve for x
    x = 8,476,112,280.29/94,921.47
  6. Step 6: Final answer
    x = 89,296.05

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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.