Home / 140,701.13-194,166.08-76,168.92

Finding the Fourth Proportional to 140,701.13, 194,166.08 and 76,168.92

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Solution

The fourth proportional to 140,701.13, 194,166.08 and 76,168.92 is: 105,112.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,701.13 : 194,166.08 = 76,168.92 : x
  2. Step 2: Convert to fraction form
    140,701.13/194,166.08 = 76,168.92/x
  3. Step 3: Cross multiply
    140,701.13x = 194,166.08 × 76,168.92
  4. Step 4: Simplify right side
    140,701.13x = 14,789,420,614.23
  5. Step 5: Solve for x
    x = 14,789,420,614.23/140,701.13
  6. Step 6: Final answer
    x = 105,112.31

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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.