Home / 132,515.32-182,874.48-72,089.36

Finding the Fourth Proportional to 132,515.32, 182,874.48 and 72,089.36

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Solution

The fourth proportional to 132,515.32, 182,874.48 and 72,089.36 is: 99,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,515.32 : 182,874.48 = 72,089.36 : x
  2. Step 2: Convert to fraction form
    132,515.32/182,874.48 = 72,089.36/x
  3. Step 3: Cross multiply
    132,515.32x = 182,874.48 × 72,089.36
  4. Step 4: Simplify right side
    132,515.32x = 13,183,304,223.53
  5. Step 5: Solve for x
    x = 13,183,304,223.53/132,515.32
  6. Step 6: Final answer
    x = 99,485.13

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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.