Home / 207,139.12-310,493.22-140,584.66

Finding the Fourth Proportional to 207,139.12, 310,493.22 and 140,584.66

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Solution

The fourth proportional to 207,139.12, 310,493.22 and 140,584.66 is: 210,730.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,139.12 : 310,493.22 = 140,584.66 : x
  2. Step 2: Convert to fraction form
    207,139.12/310,493.22 = 140,584.66/x
  3. Step 3: Cross multiply
    207,139.12x = 310,493.22 × 140,584.66
  4. Step 4: Simplify right side
    207,139.12x = 43,650,583,766.01
  5. Step 5: Solve for x
    x = 43,650,583,766.01/207,139.12
  6. Step 6: Final answer
    x = 210,730.76

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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.