Home / 136,247.86-187,915.53-88,516.59

Finding the Fourth Proportional to 136,247.86, 187,915.53 and 88,516.59

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Solution

The fourth proportional to 136,247.86, 187,915.53 and 88,516.59 is: 122,083.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,247.86 : 187,915.53 = 88,516.59 : x
  2. Step 2: Convert to fraction form
    136,247.86/187,915.53 = 88,516.59/x
  3. Step 3: Cross multiply
    136,247.86x = 187,915.53 × 88,516.59
  4. Step 4: Simplify right side
    136,247.86x = 16,633,641,923.64
  5. Step 5: Solve for x
    x = 16,633,641,923.64/136,247.86
  6. Step 6: Final answer
    x = 122,083.69

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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.