Home / 140,961.72-194,528.40-77,298.96

Finding the Fourth Proportional to 140,961.72, 194,528.40 and 77,298.96

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Solution

The fourth proportional to 140,961.72, 194,528.40 and 77,298.96 is: 106,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,961.72 : 194,528.40 = 77,298.96 : x
  2. Step 2: Convert to fraction form
    140,961.72/194,528.40 = 77,298.96/x
  3. Step 3: Cross multiply
    140,961.72x = 194,528.40 × 77,298.96
  4. Step 4: Simplify right side
    140,961.72x = 15,036,843,010.46
  5. Step 5: Solve for x
    x = 15,036,843,010.46/140,961.72
  6. Step 6: Final answer
    x = 106,673.24

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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.