Home / 143,575.04-198,080.38-143,353.61

Finding the Fourth Proportional to 143,575.04, 198,080.38 and 143,353.61

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Solution

The fourth proportional to 143,575.04, 198,080.38 and 143,353.61 is: 197,774.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,575.04 : 198,080.38 = 143,353.61 : x
  2. Step 2: Convert to fraction form
    143,575.04/198,080.38 = 143,353.61/x
  3. Step 3: Cross multiply
    143,575.04x = 198,080.38 × 143,353.61
  4. Step 4: Simplify right side
    143,575.04x = 28,395,536,194.39
  5. Step 5: Solve for x
    x = 28,395,536,194.39/143,575.04
  6. Step 6: Final answer
    x = 197,774.89

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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.