Home / 113,449.90-156,352.32-106,250.91

Finding the Fourth Proportional to 113,449.90, 156,352.32 and 106,250.91

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Solution

The fourth proportional to 113,449.90, 156,352.32 and 106,250.91 is: 146,430.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,449.90 : 156,352.32 = 106,250.91 : x
  2. Step 2: Convert to fraction form
    113,449.90/156,352.32 = 106,250.91/x
  3. Step 3: Cross multiply
    113,449.90x = 156,352.32 × 106,250.91
  4. Step 4: Simplify right side
    113,449.90x = 16,612,576,280.61
  5. Step 5: Solve for x
    x = 16,612,576,280.61/113,449.90
  6. Step 6: Final answer
    x = 146,430.95

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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.