Home / 140,694.90-211,053.28-40,856.74

Finding the Fourth Proportional to 140,694.90, 211,053.28 and 40,856.74

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Solution

The fourth proportional to 140,694.90, 211,053.28 and 40,856.74 is: 61,288.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,694.90 : 211,053.28 = 40,856.74 : x
  2. Step 2: Convert to fraction form
    140,694.90/211,053.28 = 40,856.74/x
  3. Step 3: Cross multiply
    140,694.90x = 211,053.28 × 40,856.74
  4. Step 4: Simplify right side
    140,694.90x = 8,622,948,987.11
  5. Step 5: Solve for x
    x = 8,622,948,987.11/140,694.90
  6. Step 6: Final answer
    x = 61,288.28

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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.