Home / 138,921.17-208,153.92-58,895.19

Finding the Fourth Proportional to 138,921.17, 208,153.92 and 58,895.19

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Solution

The fourth proportional to 138,921.17, 208,153.92 and 58,895.19 is: 88,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,921.17 : 208,153.92 = 58,895.19 : x
  2. Step 2: Convert to fraction form
    138,921.17/208,153.92 = 58,895.19/x
  3. Step 3: Cross multiply
    138,921.17x = 208,153.92 × 58,895.19
  4. Step 4: Simplify right side
    138,921.17x = 12,259,264,667.64
  5. Step 5: Solve for x
    x = 12,259,264,667.64/138,921.17
  6. Step 6: Final answer
    x = 88,246.20

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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.