Home / 144,264.85-198,956.05-120,145.48

Finding the Fourth Proportional to 144,264.85, 198,956.05 and 120,145.48

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Solution

The fourth proportional to 144,264.85, 198,956.05 and 120,145.48 is: 165,692.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,264.85 : 198,956.05 = 120,145.48 : x
  2. Step 2: Convert to fraction form
    144,264.85/198,956.05 = 120,145.48/x
  3. Step 3: Cross multiply
    144,264.85x = 198,956.05 × 120,145.48
  4. Step 4: Simplify right side
    144,264.85x = 23,903,670,126.15
  5. Step 5: Solve for x
    x = 23,903,670,126.15/144,264.85
  6. Step 6: Final answer
    x = 165,692.96

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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.