Home / 254,721.90-351,519.87-140,011.16

Finding the Fourth Proportional to 254,721.90, 351,519.87 and 140,011.16

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Solution

The fourth proportional to 254,721.90, 351,519.87 and 140,011.16 is: 193,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,721.90 : 351,519.87 = 140,011.16 : x
  2. Step 2: Convert to fraction form
    254,721.90/351,519.87 = 140,011.16/x
  3. Step 3: Cross multiply
    254,721.90x = 351,519.87 × 140,011.16
  4. Step 4: Simplify right side
    254,721.90x = 49,216,703,004.15
  5. Step 5: Solve for x
    x = 49,216,703,004.15/254,721.90
  6. Step 6: Final answer
    x = 193,217.40

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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.