Home / 132,469.12-182,807.28-72,853.12

Finding the Fourth Proportional to 132,469.12, 182,807.28 and 72,853.12

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Solution

The fourth proportional to 132,469.12, 182,807.28 and 72,853.12 is: 100,537.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,469.12 : 182,807.28 = 72,853.12 : x
  2. Step 2: Convert to fraction form
    132,469.12/182,807.28 = 72,853.12/x
  3. Step 3: Cross multiply
    132,469.12x = 182,807.28 × 72,853.12
  4. Step 4: Simplify right side
    132,469.12x = 13,318,080,706.71
  5. Step 5: Solve for x
    x = 13,318,080,706.71/132,469.12
  6. Step 6: Final answer
    x = 100,537.25

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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.