Home / 180,747.35-249,290.97-123,432.76

Finding the Fourth Proportional to 180,747.35, 249,290.97 and 123,432.76

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Solution

The fourth proportional to 180,747.35, 249,290.97 and 123,432.76 is: 170,241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,747.35 : 249,290.97 = 123,432.76 : x
  2. Step 2: Convert to fraction form
    180,747.35/249,290.97 = 123,432.76/x
  3. Step 3: Cross multiply
    180,747.35x = 249,290.97 × 123,432.76
  4. Step 4: Simplify right side
    180,747.35x = 30,770,672,318.92
  5. Step 5: Solve for x
    x = 30,770,672,318.92/180,747.35
  6. Step 6: Final answer
    x = 170,241.35

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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.