Home / 140,761.02-194,250.23-77,101.09

Finding the Fourth Proportional to 140,761.02, 194,250.23 and 77,101.09

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Solution

The fourth proportional to 140,761.02, 194,250.23 and 77,101.09 is: 106,399.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,761.02 : 194,250.23 = 77,101.09 : x
  2. Step 2: Convert to fraction form
    140,761.02/194,250.23 = 77,101.09/x
  3. Step 3: Cross multiply
    140,761.02x = 194,250.23 × 77,101.09
  4. Step 4: Simplify right side
    140,761.02x = 14,976,904,465.75
  5. Step 5: Solve for x
    x = 14,976,904,465.75/140,761.02
  6. Step 6: Final answer
    x = 106,399.52

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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.