Home / 136,988.29-205,446.79-58,061.89

Finding the Fourth Proportional to 136,988.29, 205,446.79 and 58,061.89

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Solution

The fourth proportional to 136,988.29, 205,446.79 and 58,061.89 is: 87,077.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,988.29 : 205,446.79 = 58,061.89 : x
  2. Step 2: Convert to fraction form
    136,988.29/205,446.79 = 58,061.89/x
  3. Step 3: Cross multiply
    136,988.29x = 205,446.79 × 58,061.89
  4. Step 4: Simplify right side
    136,988.29x = 11,928,627,749.44
  5. Step 5: Solve for x
    x = 11,928,627,749.44/136,988.29
  6. Step 6: Final answer
    x = 87,077.72

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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.