Home / 87,182.40-130,680-34,518.72

Finding the Fourth Proportional to 87,182.40, 130,680 and 34,518.72

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Solution

The fourth proportional to 87,182.40, 130,680 and 34,518.72 is: 51,741.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,182.40 : 130,680 = 34,518.72 : x
  2. Step 2: Convert to fraction form
    87,182.40/130,680 = 34,518.72/x
  3. Step 3: Cross multiply
    87,182.40x = 130,680 × 34,518.72
  4. Step 4: Simplify right side
    87,182.40x = 4,510,906,329.60
  5. Step 5: Solve for x
    x = 4,510,906,329.60/87,182.40
  6. Step 6: Final answer
    x = 51,741.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.