Home / 103,698.20-155,432.10-44,523.80

Finding the Fourth Proportional to 103,698.20, 155,432.10 and 44,523.80

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Solution

The fourth proportional to 103,698.20, 155,432.10 and 44,523.80 is: 66,736.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,698.20 : 155,432.10 = 44,523.80 : x
  2. Step 2: Convert to fraction form
    103,698.20/155,432.10 = 44,523.80/x
  3. Step 3: Cross multiply
    103,698.20x = 155,432.10 × 44,523.80
  4. Step 4: Simplify right side
    103,698.20x = 6,920,427,733.98
  5. Step 5: Solve for x
    x = 6,920,427,733.98/103,698.20
  6. Step 6: Final answer
    x = 66,736.24

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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.