Home / 103,879.20-155,841.92-48,444.96

Finding the Fourth Proportional to 103,879.20, 155,841.92 and 48,444.96

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Solution

The fourth proportional to 103,879.20, 155,841.92 and 48,444.96 is: 72,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,879.20 : 155,841.92 = 48,444.96 : x
  2. Step 2: Convert to fraction form
    103,879.20/155,841.92 = 48,444.96/x
  3. Step 3: Cross multiply
    103,879.20x = 155,841.92 × 48,444.96
  4. Step 4: Simplify right side
    103,879.20x = 7,549,755,580.72
  5. Step 5: Solve for x
    x = 7,549,755,580.72/103,879.20
  6. Step 6: Final answer
    x = 72,678.22

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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.