Home / 131,921.97-182,050.54-71,492.09

Finding the Fourth Proportional to 131,921.97, 182,050.54 and 71,492.09

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Solution

The fourth proportional to 131,921.97, 182,050.54 and 71,492.09 is: 98,658.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,921.97 : 182,050.54 = 71,492.09 : x
  2. Step 2: Convert to fraction form
    131,921.97/182,050.54 = 71,492.09/x
  3. Step 3: Cross multiply
    131,921.97x = 182,050.54 × 71,492.09
  4. Step 4: Simplify right side
    131,921.97x = 13,015,172,501.25
  5. Step 5: Solve for x
    x = 13,015,172,501.25/131,921.97
  6. Step 6: Final answer
    x = 98,658.11

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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.