Home / 140,646.06-194,053.18-80,194.66

Finding the Fourth Proportional to 140,646.06, 194,053.18 and 80,194.66

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Solution

The fourth proportional to 140,646.06, 194,053.18 and 80,194.66 is: 110,646.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,646.06 : 194,053.18 = 80,194.66 : x
  2. Step 2: Convert to fraction form
    140,646.06/194,053.18 = 80,194.66/x
  3. Step 3: Cross multiply
    140,646.06x = 194,053.18 × 80,194.66
  4. Step 4: Simplify right side
    140,646.06x = 15,562,027,420.78
  5. Step 5: Solve for x
    x = 15,562,027,420.78/140,646.06
  6. Step 6: Final answer
    x = 110,646.74

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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.