Home / 86,870-130,305.56-24,541.04

Finding the Fourth Proportional to 86,870, 130,305.56 and 24,541.04

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Solution

The fourth proportional to 86,870, 130,305.56 and 24,541.04 is: 36,811.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,870 : 130,305.56 = 24,541.04 : x
  2. Step 2: Convert to fraction form
    86,870/130,305.56 = 24,541.04/x
  3. Step 3: Cross multiply
    86,870x = 130,305.56 × 24,541.04
  4. Step 4: Simplify right side
    86,870x = 3,197,833,960.18
  5. Step 5: Solve for x
    x = 3,197,833,960.18/86,870
  6. Step 6: Final answer
    x = 36,811.72

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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.