Home / 136,211.13-187,864.85-88,479.86

Finding the Fourth Proportional to 136,211.13, 187,864.85 and 88,479.86

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Solution

The fourth proportional to 136,211.13, 187,864.85 and 88,479.86 is: 122,033.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,211.13 : 187,864.85 = 88,479.86 : x
  2. Step 2: Convert to fraction form
    136,211.13/187,864.85 = 88,479.86/x
  3. Step 3: Cross multiply
    136,211.13x = 187,864.85 × 88,479.86
  4. Step 4: Simplify right side
    136,211.13x = 16,622,254,908.80
  5. Step 5: Solve for x
    x = 16,622,254,908.80/136,211.13
  6. Step 6: Final answer
    x = 122,033.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.