Home / 131,697.72-181,741.55-71,267.04

Finding the Fourth Proportional to 131,697.72, 181,741.55 and 71,267.04

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Solution

The fourth proportional to 131,697.72, 181,741.55 and 71,267.04 is: 98,347.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,697.72 : 181,741.55 = 71,267.04 : x
  2. Step 2: Convert to fraction form
    131,697.72/181,741.55 = 71,267.04/x
  3. Step 3: Cross multiply
    131,697.72x = 181,741.55 × 71,267.04
  4. Step 4: Simplify right side
    131,697.72x = 12,952,181,957.18
  5. Step 5: Solve for x
    x = 12,952,181,957.18/131,697.72
  6. Step 6: Final answer
    x = 98,347.81

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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.