Home / 138,565.28-207,714.27-63,736.67

Finding the Fourth Proportional to 138,565.28, 207,714.27 and 63,736.67

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Solution

The fourth proportional to 138,565.28, 207,714.27 and 63,736.67 is: 95,543.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,565.28 : 207,714.27 = 63,736.67 : x
  2. Step 2: Convert to fraction form
    138,565.28/207,714.27 = 63,736.67/x
  3. Step 3: Cross multiply
    138,565.28x = 207,714.27 × 63,736.67
  4. Step 4: Simplify right side
    138,565.28x = 13,239,015,881.28
  5. Step 5: Solve for x
    x = 13,239,015,881.28/138,565.28
  6. Step 6: Final answer
    x = 95,543.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.