Home / 103,888.20-155,774.70-44,713.80

Finding the Fourth Proportional to 103,888.20, 155,774.70 and 44,713.80

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Solution

The fourth proportional to 103,888.20, 155,774.70 and 44,713.80 is: 67,045.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,888.20 : 155,774.70 = 44,713.80 : x
  2. Step 2: Convert to fraction form
    103,888.20/155,774.70 = 44,713.80/x
  3. Step 3: Cross multiply
    103,888.20x = 155,774.70 × 44,713.80
  4. Step 4: Simplify right side
    103,888.20x = 6,965,278,780.86
  5. Step 5: Solve for x
    x = 6,965,278,780.86/103,888.20
  6. Step 6: Final answer
    x = 67,045.91

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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.