Home / 87,072.30-130,506.39-40,226.76

Finding the Fourth Proportional to 87,072.30, 130,506.39 and 40,226.76

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Solution

The fourth proportional to 87,072.30, 130,506.39 and 40,226.76 is: 60,292.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,072.30 : 130,506.39 = 40,226.76 : x
  2. Step 2: Convert to fraction form
    87,072.30/130,506.39 = 40,226.76/x
  3. Step 3: Cross multiply
    87,072.30x = 130,506.39 × 40,226.76
  4. Step 4: Simplify right side
    87,072.30x = 5,249,849,229.00
  5. Step 5: Solve for x
    x = 5,249,849,229.00/87,072.30
  6. Step 6: Final answer
    x = 60,292.99

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1.5x scale

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.