Home / 131,975.11-182,125.70-71,545.74

Finding the Fourth Proportional to 131,975.11, 182,125.70 and 71,545.74

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Solution

The fourth proportional to 131,975.11, 182,125.70 and 71,545.74 is: 98,733.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,975.11 : 182,125.70 = 71,545.74 : x
  2. Step 2: Convert to fraction form
    131,975.11/182,125.70 = 71,545.74/x
  3. Step 3: Cross multiply
    131,975.11x = 182,125.70 × 71,545.74
  4. Step 4: Simplify right side
    131,975.11x = 13,030,317,979.52
  5. Step 5: Solve for x
    x = 13,030,317,979.52/131,975.11
  6. Step 6: Final answer
    x = 98,733.15

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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.