Home / 131,875.67-181,988.46-71,446.73

Finding the Fourth Proportional to 131,875.67, 181,988.46 and 71,446.73

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Solution

The fourth proportional to 131,875.67, 181,988.46 and 71,446.73 is: 98,596.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,875.67 : 181,988.46 = 71,446.73 : x
  2. Step 2: Convert to fraction form
    131,875.67/181,988.46 = 71,446.73/x
  3. Step 3: Cross multiply
    131,875.67x = 181,988.46 × 71,446.73
  4. Step 4: Simplify right side
    131,875.67x = 13,002,479,454.79
  5. Step 5: Solve for x
    x = 13,002,479,454.79/131,875.67
  6. Step 6: Final answer
    x = 98,596.50

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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.