Home / 122,475.90-183,725.42-47,601.78

Finding the Fourth Proportional to 122,475.90, 183,725.42 and 47,601.78

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Solution

The fourth proportional to 122,475.90, 183,725.42 and 47,601.78 is: 71,407.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,475.90 : 183,725.42 = 47,601.78 : x
  2. Step 2: Convert to fraction form
    122,475.90/183,725.42 = 47,601.78/x
  3. Step 3: Cross multiply
    122,475.90x = 183,725.42 × 47,601.78
  4. Step 4: Simplify right side
    122,475.90x = 8,745,656,785.24
  5. Step 5: Solve for x
    x = 8,745,656,785.24/122,475.90
  6. Step 6: Final answer
    x = 71,407.16

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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.