Home / 140,793.69-194,294.29-76,261.48

Finding the Fourth Proportional to 140,793.69, 194,294.29 and 76,261.48

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Solution

The fourth proportional to 140,793.69, 194,294.29 and 76,261.48 is: 105,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,793.69 : 194,294.29 = 76,261.48 : x
  2. Step 2: Convert to fraction form
    140,793.69/194,294.29 = 76,261.48/x
  3. Step 3: Cross multiply
    140,793.69x = 194,294.29 × 76,261.48
  4. Step 4: Simplify right side
    140,793.69x = 14,817,170,110.95
  5. Step 5: Solve for x
    x = 14,817,170,110.95/140,793.69
  6. Step 6: Final answer
    x = 105,240.30

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1.5x scale

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.