Home / 131,771.04-181,844.15-71,341.73

Finding the Fourth Proportional to 131,771.04, 181,844.15 and 71,341.73

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Solution

The fourth proportional to 131,771.04, 181,844.15 and 71,341.73 is: 98,451.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,771.04 : 181,844.15 = 71,341.73 : x
  2. Step 2: Convert to fraction form
    131,771.04/181,844.15 = 71,341.73/x
  3. Step 3: Cross multiply
    131,771.04x = 181,844.15 × 71,341.73
  4. Step 4: Simplify right side
    131,771.04x = 12,973,076,251.38
  5. Step 5: Solve for x
    x = 12,973,076,251.38/131,771.04
  6. Step 6: Final answer
    x = 98,451.65

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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.