Home / 155,425.05-232,964.78-66,663.45

Finding the Fourth Proportional to 155,425.05, 232,964.78 and 66,663.45

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Solution

The fourth proportional to 155,425.05, 232,964.78 and 66,663.45 is: 99,921.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,425.05 : 232,964.78 = 66,663.45 : x
  2. Step 2: Convert to fraction form
    155,425.05/232,964.78 = 66,663.45/x
  3. Step 3: Cross multiply
    155,425.05x = 232,964.78 × 66,663.45
  4. Step 4: Simplify right side
    155,425.05x = 15,530,235,629.97
  5. Step 5: Solve for x
    x = 15,530,235,629.97/155,425.05
  6. Step 6: Final answer
    x = 99,921.06

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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.