Home / 172,098.60-237,550.50-100,507.56

Finding the Fourth Proportional to 172,098.60, 237,550.50 and 100,507.56

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Solution

The fourth proportional to 172,098.60, 237,550.50 and 100,507.56 is: 138,732.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,098.60 : 237,550.50 = 100,507.56 : x
  2. Step 2: Convert to fraction form
    172,098.60/237,550.50 = 100,507.56/x
  3. Step 3: Cross multiply
    172,098.60x = 237,550.50 × 100,507.56
  4. Step 4: Simplify right side
    172,098.60x = 23,875,621,131.78
  5. Step 5: Solve for x
    x = 23,875,621,131.78/172,098.60
  6. Step 6: Final answer
    x = 138,732.22

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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.