Home / 125,724.56-188,581.97-42,618.56

Finding the Fourth Proportional to 125,724.56, 188,581.97 and 42,618.56

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Solution

The fourth proportional to 125,724.56, 188,581.97 and 42,618.56 is: 63,926.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,724.56 : 188,581.97 = 42,618.56 : x
  2. Step 2: Convert to fraction form
    125,724.56/188,581.97 = 42,618.56/x
  3. Step 3: Cross multiply
    125,724.56x = 188,581.97 × 42,618.56
  4. Step 4: Simplify right side
    125,724.56x = 8,037,091,167.00
  5. Step 5: Solve for x
    x = 8,037,091,167.00/125,724.56
  6. Step 6: Final answer
    x = 63,926.19

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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.