Home / 141,947.42-212,557.52-137,742.98

Finding the Fourth Proportional to 141,947.42, 212,557.52 and 137,742.98

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Solution

The fourth proportional to 141,947.42, 212,557.52 and 137,742.98 is: 206,261.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,947.42 : 212,557.52 = 137,742.98 : x
  2. Step 2: Convert to fraction form
    141,947.42/212,557.52 = 137,742.98/x
  3. Step 3: Cross multiply
    141,947.42x = 212,557.52 × 137,742.98
  4. Step 4: Simplify right side
    141,947.42x = 29,278,306,226.21
  5. Step 5: Solve for x
    x = 29,278,306,226.21/141,947.42
  6. Step 6: Final answer
    x = 206,261.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.