Home / 248,105.28-342,463.26-140,746.68

Finding the Fourth Proportional to 248,105.28, 342,463.26 and 140,746.68

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Solution

The fourth proportional to 248,105.28, 342,463.26 and 140,746.68 is: 194,274.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,105.28 : 342,463.26 = 140,746.68 : x
  2. Step 2: Convert to fraction form
    248,105.28/342,463.26 = 140,746.68/x
  3. Step 3: Cross multiply
    248,105.28x = 342,463.26 × 140,746.68
  4. Step 4: Simplify right side
    248,105.28x = 48,200,566,866.98
  5. Step 5: Solve for x
    x = 48,200,566,866.98/248,105.28
  6. Step 6: Final answer
    x = 194,274.65

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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.