Home / 261,015.12-360,191.24-141,780.56

Finding the Fourth Proportional to 261,015.12, 360,191.24 and 141,780.56

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Solution

The fourth proportional to 261,015.12, 360,191.24 and 141,780.56 is: 195,651.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,015.12 : 360,191.24 = 141,780.56 : x
  2. Step 2: Convert to fraction form
    261,015.12/360,191.24 = 141,780.56/x
  3. Step 3: Cross multiply
    261,015.12x = 360,191.24 × 141,780.56
  4. Step 4: Simplify right side
    261,015.12x = 51,068,115,714.29
  5. Step 5: Solve for x
    x = 51,068,115,714.29/261,015.12
  6. Step 6: Final answer
    x = 195,651.94

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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.