Home / 86,772.56-130,178.90-36,854.29

Finding the Fourth Proportional to 86,772.56, 130,178.90 and 36,854.29

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Solution

The fourth proportional to 86,772.56, 130,178.90 and 36,854.29 is: 55,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,772.56 : 130,178.90 = 36,854.29 : x
  2. Step 2: Convert to fraction form
    86,772.56/130,178.90 = 36,854.29/x
  3. Step 3: Cross multiply
    86,772.56x = 130,178.90 × 36,854.29
  4. Step 4: Simplify right side
    86,772.56x = 4,797,650,097.32
  5. Step 5: Solve for x
    x = 4,797,650,097.32/86,772.56
  6. Step 6: Final answer
    x = 55,289.95

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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.