Home / 254,749.65-351,560.42-140,034.21

Finding the Fourth Proportional to 254,749.65, 351,560.42 and 140,034.21

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Solution

The fourth proportional to 254,749.65, 351,560.42 and 140,034.21 is: 193,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,749.65 : 351,560.42 = 140,034.21 : x
  2. Step 2: Convert to fraction form
    254,749.65/351,560.42 = 140,034.21/x
  3. Step 3: Cross multiply
    254,749.65x = 351,560.42 × 140,034.21
  4. Step 4: Simplify right side
    254,749.65x = 49,230,485,681.97
  5. Step 5: Solve for x
    x = 49,230,485,681.97/254,749.65
  6. Step 6: Final answer
    x = 193,250.45

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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.