Home / 136,292.67-204,351.53-89,490.87

Finding the Fourth Proportional to 136,292.67, 204,351.53 and 89,490.87

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Solution

The fourth proportional to 136,292.67, 204,351.53 and 89,490.87 is: 134,178.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,292.67 : 204,351.53 = 89,490.87 : x
  2. Step 2: Convert to fraction form
    136,292.67/204,351.53 = 89,490.87/x
  3. Step 3: Cross multiply
    136,292.67x = 204,351.53 × 89,490.87
  4. Step 4: Simplify right side
    136,292.67x = 18,287,595,758.08
  5. Step 5: Solve for x
    x = 18,287,595,758.08/136,292.67
  6. Step 6: Final answer
    x = 134,178.86

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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.