Home / 148,515.30-222,772.95-115,337.70

Finding the Fourth Proportional to 148,515.30, 222,772.95 and 115,337.70

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Solution

The fourth proportional to 148,515.30, 222,772.95 and 115,337.70 is: 173,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,515.30 : 222,772.95 = 115,337.70 : x
  2. Step 2: Convert to fraction form
    148,515.30/222,772.95 = 115,337.70/x
  3. Step 3: Cross multiply
    148,515.30x = 222,772.95 × 115,337.70
  4. Step 4: Simplify right side
    148,515.30x = 25,694,119,675.22
  5. Step 5: Solve for x
    x = 25,694,119,675.22/148,515.30
  6. Step 6: Final answer
    x = 173,006.55

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1.5x scale

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.