Home / 254,839.02-351,670.38-140,117.55

Finding the Fourth Proportional to 254,839.02, 351,670.38 and 140,117.55

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Solution

The fourth proportional to 254,839.02, 351,670.38 and 140,117.55 is: 193,358.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,839.02 : 351,670.38 = 140,117.55 : x
  2. Step 2: Convert to fraction form
    254,839.02/351,670.38 = 140,117.55/x
  3. Step 3: Cross multiply
    254,839.02x = 351,670.38 × 140,117.55
  4. Step 4: Simplify right side
    254,839.02x = 49,275,192,053.17
  5. Step 5: Solve for x
    x = 49,275,192,053.17/254,839.02
  6. Step 6: Final answer
    x = 193,358.11

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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.