Home / 87,341.20-130,898.40-40,494.40

Finding the Fourth Proportional to 87,341.20, 130,898.40 and 40,494.40

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Solution

The fourth proportional to 87,341.20, 130,898.40 and 40,494.40 is: 60,689.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,341.20 : 130,898.40 = 40,494.40 : x
  2. Step 2: Convert to fraction form
    87,341.20/130,898.40 = 40,494.40/x
  3. Step 3: Cross multiply
    87,341.20x = 130,898.40 × 40,494.40
  4. Step 4: Simplify right side
    87,341.20x = 5,300,652,168.96
  5. Step 5: Solve for x
    x = 5,300,652,168.96/87,341.20
  6. Step 6: Final answer
    x = 60,689.02

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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.