Home / 138,135.68-207,282.96-58,167.34

Finding the Fourth Proportional to 138,135.68, 207,282.96 and 58,167.34

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Solution

The fourth proportional to 138,135.68, 207,282.96 and 58,167.34 is: 87,284.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,135.68 : 207,282.96 = 58,167.34 : x
  2. Step 2: Convert to fraction form
    138,135.68/207,282.96 = 58,167.34/x
  3. Step 3: Cross multiply
    138,135.68x = 207,282.96 × 58,167.34
  4. Step 4: Simplify right side
    138,135.68x = 12,057,098,410.53
  5. Step 5: Solve for x
    x = 12,057,098,410.53/138,135.68
  6. Step 6: Final answer
    x = 87,284.46

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1.5x scale

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.