Home / 155,338.32-232,968.90-66,581.76

Finding the Fourth Proportional to 155,338.32, 232,968.90 and 66,581.76

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Solution

The fourth proportional to 155,338.32, 232,968.90 and 66,581.76 is: 99,856.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,338.32 : 232,968.90 = 66,581.76 : x
  2. Step 2: Convert to fraction form
    155,338.32/232,968.90 = 66,581.76/x
  3. Step 3: Cross multiply
    155,338.32x = 232,968.90 × 66,581.76
  4. Step 4: Simplify right side
    155,338.32x = 15,511,479,387.26
  5. Step 5: Solve for x
    x = 15,511,479,387.26/155,338.32
  6. Step 6: Final answer
    x = 99,856.10

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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.