Home / 138,921.16-208,153.92-58,895.18

Finding the Fourth Proportional to 138,921.16, 208,153.92 and 58,895.18

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Solution

The fourth proportional to 138,921.16, 208,153.92 and 58,895.18 is: 88,246.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,921.16 : 208,153.92 = 58,895.18 : x
  2. Step 2: Convert to fraction form
    138,921.16/208,153.92 = 58,895.18/x
  3. Step 3: Cross multiply
    138,921.16x = 208,153.92 × 58,895.18
  4. Step 4: Simplify right side
    138,921.16x = 12,259,262,586.11
  5. Step 5: Solve for x
    x = 12,259,262,586.11/138,921.16
  6. Step 6: Final answer
    x = 88,246.19

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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.