Home / 180,217.20-248,680.71-99,631.71

Finding the Fourth Proportional to 180,217.20, 248,680.71 and 99,631.71

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Solution

The fourth proportional to 180,217.20, 248,680.71 and 99,631.71 is: 137,481.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,217.20 : 248,680.71 = 99,631.71 : x
  2. Step 2: Convert to fraction form
    180,217.20/248,680.71 = 99,631.71/x
  3. Step 3: Cross multiply
    180,217.20x = 248,680.71 × 99,631.71
  4. Step 4: Simplify right side
    180,217.20x = 24,776,484,381.31
  5. Step 5: Solve for x
    x = 24,776,484,381.31/180,217.20
  6. Step 6: Final answer
    x = 137,481.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.