Home / 259,245.28-357,758.46-140,013.28

Finding the Fourth Proportional to 259,245.28, 357,758.46 and 140,013.28

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Solution

The fourth proportional to 259,245.28, 357,758.46 and 140,013.28 is: 193,218.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,245.28 : 357,758.46 = 140,013.28 : x
  2. Step 2: Convert to fraction form
    259,245.28/357,758.46 = 140,013.28/x
  3. Step 3: Cross multiply
    259,245.28x = 357,758.46 × 140,013.28
  4. Step 4: Simplify right side
    259,245.28x = 50,090,935,432.35
  5. Step 5: Solve for x
    x = 50,090,935,432.35/259,245.28
  6. Step 6: Final answer
    x = 193,218.31

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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.