Home / 124,834.60-172,174.98-74,480.68

Finding the Fourth Proportional to 124,834.60, 172,174.98 and 74,480.68

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Solution

The fourth proportional to 124,834.60, 172,174.98 and 74,480.68 is: 102,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,834.60 : 172,174.98 = 74,480.68 : x
  2. Step 2: Convert to fraction form
    124,834.60/172,174.98 = 74,480.68/x
  3. Step 3: Cross multiply
    124,834.60x = 172,174.98 × 74,480.68
  4. Step 4: Simplify right side
    124,834.60x = 12,823,709,589.39
  5. Step 5: Solve for x
    x = 12,823,709,589.39/124,834.60
  6. Step 6: Final answer
    x = 102,725.60

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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.