Home / 140,888.25-194,425.83-77,226.48

Finding the Fourth Proportional to 140,888.25, 194,425.83 and 77,226.48

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Solution

The fourth proportional to 140,888.25, 194,425.83 and 77,226.48 is: 106,572.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,888.25 : 194,425.83 = 77,226.48 : x
  2. Step 2: Convert to fraction form
    140,888.25/194,425.83 = 77,226.48/x
  3. Step 3: Cross multiply
    140,888.25x = 194,425.83 × 77,226.48
  4. Step 4: Simplify right side
    140,888.25x = 15,014,822,471.98
  5. Step 5: Solve for x
    x = 15,014,822,471.98/140,888.25
  6. Step 6: Final answer
    x = 106,572.57

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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.