Home / 131,223.20-181,042.76-73,850.90

Finding the Fourth Proportional to 131,223.20, 181,042.76 and 73,850.90

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Solution

The fourth proportional to 131,223.20, 181,042.76 and 73,850.90 is: 101,888.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,223.20 : 181,042.76 = 73,850.90 : x
  2. Step 2: Convert to fraction form
    131,223.20/181,042.76 = 73,850.90/x
  3. Step 3: Cross multiply
    131,223.20x = 181,042.76 × 73,850.90
  4. Step 4: Simplify right side
    131,223.20x = 13,370,170,043.90
  5. Step 5: Solve for x
    x = 13,370,170,043.90/131,223.20
  6. Step 6: Final answer
    x = 101,888.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.