Home / 231,848.04-319,962.20-129,867.40

Finding the Fourth Proportional to 231,848.04, 319,962.20 and 129,867.40

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Solution

The fourth proportional to 231,848.04, 319,962.20 and 129,867.40 is: 179,223.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,848.04 : 319,962.20 = 129,867.40 : x
  2. Step 2: Convert to fraction form
    231,848.04/319,962.20 = 129,867.40/x
  3. Step 3: Cross multiply
    231,848.04x = 319,962.20 × 129,867.40
  4. Step 4: Simplify right side
    231,848.04x = 41,552,659,012.28
  5. Step 5: Solve for x
    x = 41,552,659,012.28/231,848.04
  6. Step 6: Final answer
    x = 179,223.68

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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.