Home / 124,946.78-172,247.19-89,074.52

Finding the Fourth Proportional to 124,946.78, 172,247.19 and 89,074.52

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Solution

The fourth proportional to 124,946.78, 172,247.19 and 89,074.52 is: 122,794.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,946.78 : 172,247.19 = 89,074.52 : x
  2. Step 2: Convert to fraction form
    124,946.78/172,247.19 = 89,074.52/x
  3. Step 3: Cross multiply
    124,946.78x = 172,247.19 × 89,074.52
  4. Step 4: Simplify right side
    124,946.78x = 15,342,834,909.36
  5. Step 5: Solve for x
    x = 15,342,834,909.36/124,946.78
  6. Step 6: Final answer
    x = 122,794.97

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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.