Home / 113,422.20-156,527.82-63,124.44

Finding the Fourth Proportional to 113,422.20, 156,527.82 and 63,124.44

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Solution

The fourth proportional to 113,422.20, 156,527.82 and 63,124.44 is: 87,114.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,422.20 : 156,527.82 = 63,124.44 : x
  2. Step 2: Convert to fraction form
    113,422.20/156,527.82 = 63,124.44/x
  3. Step 3: Cross multiply
    113,422.20x = 156,527.82 × 63,124.44
  4. Step 4: Simplify right side
    113,422.20x = 9,880,730,981.92
  5. Step 5: Solve for x
    x = 9,880,730,981.92/113,422.20
  6. Step 6: Final answer
    x = 87,114.61

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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.