Home / 101,543.22-140,145.12-63,308.97

Finding the Fourth Proportional to 101,543.22, 140,145.12 and 63,308.97

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Solution

The fourth proportional to 101,543.22, 140,145.12 and 63,308.97 is: 87,376.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,543.22 : 140,145.12 = 63,308.97 : x
  2. Step 2: Convert to fraction form
    101,543.22/140,145.12 = 63,308.97/x
  3. Step 3: Cross multiply
    101,543.22x = 140,145.12 × 63,308.97
  4. Step 4: Simplify right side
    101,543.22x = 8,872,443,197.73
  5. Step 5: Solve for x
    x = 8,872,443,197.73/101,543.22
  6. Step 6: Final answer
    x = 87,376.03

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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.