Home / 132,398.12-182,711.54-71,968.88

Finding the Fourth Proportional to 132,398.12, 182,711.54 and 71,968.88

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Solution

The fourth proportional to 132,398.12, 182,711.54 and 71,968.88 is: 99,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,398.12 : 182,711.54 = 71,968.88 : x
  2. Step 2: Convert to fraction form
    132,398.12/182,711.54 = 71,968.88/x
  3. Step 3: Cross multiply
    132,398.12x = 182,711.54 × 71,968.88
  4. Step 4: Simplify right side
    132,398.12x = 13,149,544,993.81
  5. Step 5: Solve for x
    x = 13,149,544,993.81/132,398.12
  6. Step 6: Final answer
    x = 99,318.21

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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.