Home / 120,423.33-180,600.98-75,983.49

Finding the Fourth Proportional to 120,423.33, 180,600.98 and 75,983.49

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Solution

The fourth proportional to 120,423.33, 180,600.98 and 75,983.49 is: 113,953.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,423.33 : 180,600.98 = 75,983.49 : x
  2. Step 2: Convert to fraction form
    120,423.33/180,600.98 = 75,983.49/x
  3. Step 3: Cross multiply
    120,423.33x = 180,600.98 × 75,983.49
  4. Step 4: Simplify right side
    120,423.33x = 13,722,692,377.90
  5. Step 5: Solve for x
    x = 13,722,692,377.90/120,423.33
  6. Step 6: Final answer
    x = 113,953.77

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1.5x scale

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.