Home / 109,252.80-163,879.20-76,010.40

Finding the Fourth Proportional to 109,252.80, 163,879.20 and 76,010.40

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Solution

The fourth proportional to 109,252.80, 163,879.20 and 76,010.40 is: 114,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,252.80 : 163,879.20 = 76,010.40 : x
  2. Step 2: Convert to fraction form
    109,252.80/163,879.20 = 76,010.40/x
  3. Step 3: Cross multiply
    109,252.80x = 163,879.20 × 76,010.40
  4. Step 4: Simplify right side
    109,252.80x = 12,456,523,543.68
  5. Step 5: Solve for x
    x = 12,456,523,543.68/109,252.80
  6. Step 6: Final answer
    x = 114,015.60

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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.