Home / 131,929.09-182,060.10-71,499.22

Finding the Fourth Proportional to 131,929.09, 182,060.10 and 71,499.22

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Solution

The fourth proportional to 131,929.09, 182,060.10 and 71,499.22 is: 98,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,929.09 : 182,060.10 = 71,499.22 : x
  2. Step 2: Convert to fraction form
    131,929.09/182,060.10 = 71,499.22/x
  3. Step 3: Cross multiply
    131,929.09x = 182,060.10 × 71,499.22
  4. Step 4: Simplify right side
    131,929.09x = 13,017,154,687.97
  5. Step 5: Solve for x
    x = 13,017,154,687.97/131,929.09
  6. Step 6: Final answer
    x = 98,667.81

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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.