Home / 131,974.11-182,124.32-71,544.74

Finding the Fourth Proportional to 131,974.11, 182,124.32 and 71,544.74

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Solution

The fourth proportional to 131,974.11, 182,124.32 and 71,544.74 is: 98,731.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,974.11 : 182,124.32 = 71,544.74 : x
  2. Step 2: Convert to fraction form
    131,974.11/182,124.32 = 71,544.74/x
  3. Step 3: Cross multiply
    131,974.11x = 182,124.32 × 71,544.74
  4. Step 4: Simplify right side
    131,974.11x = 13,030,035,853.73
  5. Step 5: Solve for x
    x = 13,030,035,853.73/131,974.11
  6. Step 6: Final answer
    x = 98,731.76

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1.5x scale

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.