Home / 143,975.52-198,700.02-80,319.24

Finding the Fourth Proportional to 143,975.52, 198,700.02 and 80,319.24

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Solution

The fourth proportional to 143,975.52, 198,700.02 and 80,319.24 is: 110,848.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,975.52 : 198,700.02 = 80,319.24 : x
  2. Step 2: Convert to fraction form
    143,975.52/198,700.02 = 80,319.24/x
  3. Step 3: Cross multiply
    143,975.52x = 198,700.02 × 80,319.24
  4. Step 4: Simplify right side
    143,975.52x = 15,959,434,594.38
  5. Step 5: Solve for x
    x = 15,959,434,594.38/143,975.52
  6. Step 6: Final answer
    x = 110,848.25

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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.