Home / 261,945.96-392,589.98-112,010.12

Finding the Fourth Proportional to 261,945.96, 392,589.98 and 112,010.12

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Solution

The fourth proportional to 261,945.96, 392,589.98 and 112,010.12 is: 167,874.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,945.96 : 392,589.98 = 112,010.12 : x
  2. Step 2: Convert to fraction form
    261,945.96/392,589.98 = 112,010.12/x
  3. Step 3: Cross multiply
    261,945.96x = 392,589.98 × 112,010.12
  4. Step 4: Simplify right side
    261,945.96x = 43,974,050,770.60
  5. Step 5: Solve for x
    x = 43,974,050,770.60/261,945.96
  6. Step 6: Final answer
    x = 167,874.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.