Home / 239,167.32-329,985.24-166,488.78

Finding the Fourth Proportional to 239,167.32, 329,985.24 and 166,488.78

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Solution

The fourth proportional to 239,167.32, 329,985.24 and 166,488.78 is: 229,708.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,167.32 : 329,985.24 = 166,488.78 : x
  2. Step 2: Convert to fraction form
    239,167.32/329,985.24 = 166,488.78/x
  3. Step 3: Cross multiply
    239,167.32x = 329,985.24 × 166,488.78
  4. Step 4: Simplify right side
    239,167.32x = 54,938,840,025.61
  5. Step 5: Solve for x
    x = 54,938,840,025.61/239,167.32
  6. Step 6: Final answer
    x = 229,708.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.