Home / 92,586.25-138,642.17-64,083.72

Finding the Fourth Proportional to 92,586.25, 138,642.17 and 64,083.72

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Solution

The fourth proportional to 92,586.25, 138,642.17 and 64,083.72 is: 95,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,586.25 : 138,642.17 = 64,083.72 : x
  2. Step 2: Convert to fraction form
    92,586.25/138,642.17 = 64,083.72/x
  3. Step 3: Cross multiply
    92,586.25x = 138,642.17 × 64,083.72
  4. Step 4: Simplify right side
    92,586.25x = 8,884,706,201.96
  5. Step 5: Solve for x
    x = 8,884,706,201.96/92,586.25
  6. Step 6: Final answer
    x = 95,961.40

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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.