Home / 172,358.18-237,757.13-103,429.80

Finding the Fourth Proportional to 172,358.18, 237,757.13 and 103,429.80

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Solution

The fourth proportional to 172,358.18, 237,757.13 and 103,429.80 is: 142,674.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,358.18 : 237,757.13 = 103,429.80 : x
  2. Step 2: Convert to fraction form
    172,358.18/237,757.13 = 103,429.80/x
  3. Step 3: Cross multiply
    172,358.18x = 237,757.13 × 103,429.80
  4. Step 4: Simplify right side
    172,358.18x = 24,591,171,887.33
  5. Step 5: Solve for x
    x = 24,591,171,887.33/172,358.18
  6. Step 6: Final answer
    x = 142,674.82

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1.5x scale

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.