Home / 230,080.32-317,502.96-129,458.88

Finding the Fourth Proportional to 230,080.32, 317,502.96 and 129,458.88

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Solution

The fourth proportional to 230,080.32, 317,502.96 and 129,458.88 is: 178,648.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,080.32 : 317,502.96 = 129,458.88 : x
  2. Step 2: Convert to fraction form
    230,080.32/317,502.96 = 129,458.88/x
  3. Step 3: Cross multiply
    230,080.32x = 317,502.96 × 129,458.88
  4. Step 4: Simplify right side
    230,080.32x = 41,103,577,598.28
  5. Step 5: Solve for x
    x = 41,103,577,598.28/230,080.32
  6. Step 6: Final answer
    x = 178,648.82

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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.