Home / 92,177.64-138,340.28-42,281.24

Finding the Fourth Proportional to 92,177.64, 138,340.28 and 42,281.24

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Solution

The fourth proportional to 92,177.64, 138,340.28 and 42,281.24 is: 63,455.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,177.64 : 138,340.28 = 42,281.24 : x
  2. Step 2: Convert to fraction form
    92,177.64/138,340.28 = 42,281.24/x
  3. Step 3: Cross multiply
    92,177.64x = 138,340.28 × 42,281.24
  4. Step 4: Simplify right side
    92,177.64x = 5,849,198,580.35
  5. Step 5: Solve for x
    x = 5,849,198,580.35/92,177.64
  6. Step 6: Final answer
    x = 63,455.72

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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.