Home / 231,841.02-319,952.52-129,860.40

Finding the Fourth Proportional to 231,841.02, 319,952.52 and 129,860.40

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Solution

The fourth proportional to 231,841.02, 319,952.52 and 129,860.40 is: 179,214.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,841.02 : 319,952.52 = 129,860.40 : x
  2. Step 2: Convert to fraction form
    231,841.02/319,952.52 = 129,860.40/x
  3. Step 3: Cross multiply
    231,841.02x = 319,952.52 × 129,860.40
  4. Step 4: Simplify right side
    231,841.02x = 41,549,162,228.21
  5. Step 5: Solve for x
    x = 41,549,162,228.21/231,841.02
  6. Step 6: Final answer
    x = 179,214.02

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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.