Home / 87,195.42-130,870.89-40,474.62

Finding the Fourth Proportional to 87,195.42, 130,870.89 and 40,474.62

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Solution

The fourth proportional to 87,195.42, 130,870.89 and 40,474.62 is: 60,748.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,195.42 : 130,870.89 = 40,474.62 : x
  2. Step 2: Convert to fraction form
    87,195.42/130,870.89 = 40,474.62/x
  3. Step 3: Cross multiply
    87,195.42x = 130,870.89 × 40,474.62
  4. Step 4: Simplify right side
    87,195.42x = 5,296,949,541.81
  5. Step 5: Solve for x
    x = 5,296,949,541.81/87,195.42
  6. Step 6: Final answer
    x = 60,748.02

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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.