Home / 131,634.12-181,655.22-71,204.58

Finding the Fourth Proportional to 131,634.12, 181,655.22 and 71,204.58

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Solution

The fourth proportional to 131,634.12, 181,655.22 and 71,204.58 is: 98,262.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,634.12 : 181,655.22 = 71,204.58 : x
  2. Step 2: Convert to fraction form
    131,634.12/181,655.22 = 71,204.58/x
  3. Step 3: Cross multiply
    131,634.12x = 181,655.22 × 71,204.58
  4. Step 4: Simplify right side
    131,634.12x = 12,934,683,644.91
  5. Step 5: Solve for x
    x = 12,934,683,644.91/131,634.12
  6. Step 6: Final answer
    x = 98,262.39

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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.