Home / 125,387.68-187,960.56-42,236.32

Finding the Fourth Proportional to 125,387.68, 187,960.56 and 42,236.32

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Solution

The fourth proportional to 125,387.68, 187,960.56 and 42,236.32 is: 63,313.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,387.68 : 187,960.56 = 42,236.32 : x
  2. Step 2: Convert to fraction form
    125,387.68/187,960.56 = 42,236.32/x
  3. Step 3: Cross multiply
    125,387.68x = 187,960.56 × 42,236.32
  4. Step 4: Simplify right side
    125,387.68x = 7,938,762,359.54
  5. Step 5: Solve for x
    x = 7,938,762,359.54/125,387.68
  6. Step 6: Final answer
    x = 63,313.74

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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.