Home / 140,610.28-210,580.00-89,849.78

Finding the Fourth Proportional to 140,610.28, 210,580.00 and 89,849.78

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Solution

The fourth proportional to 140,610.28, 210,580.00 and 89,849.78 is: 134,560.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,610.28 : 210,580.00 = 89,849.78 : x
  2. Step 2: Convert to fraction form
    140,610.28/210,580.00 = 89,849.78/x
  3. Step 3: Cross multiply
    140,610.28x = 210,580.00 × 89,849.78
  4. Step 4: Simplify right side
    140,610.28x = 18,920,567,282.21
  5. Step 5: Solve for x
    x = 18,920,567,282.21/140,610.28
  6. Step 6: Final answer
    x = 134,560.34

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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.