Home / 103,680.45-155,229.07-93,182.85

Finding the Fourth Proportional to 103,680.45, 155,229.07 and 93,182.85

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Solution

The fourth proportional to 103,680.45, 155,229.07 and 93,182.85 is: 139,512.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,680.45 : 155,229.07 = 93,182.85 : x
  2. Step 2: Convert to fraction form
    103,680.45/155,229.07 = 93,182.85/x
  3. Step 3: Cross multiply
    103,680.45x = 155,229.07 × 93,182.85
  4. Step 4: Simplify right side
    103,680.45x = 14,464,687,145.45
  5. Step 5: Solve for x
    x = 14,464,687,145.45/103,680.45
  6. Step 6: Final answer
    x = 139,512.19

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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.