Home / 147,331.80-220,997.70-131,002.20

Finding the Fourth Proportional to 147,331.80, 220,997.70 and 131,002.20

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Solution

The fourth proportional to 147,331.80, 220,997.70 and 131,002.20 is: 196,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,331.80 : 220,997.70 = 131,002.20 : x
  2. Step 2: Convert to fraction form
    147,331.80/220,997.70 = 131,002.20/x
  3. Step 3: Cross multiply
    147,331.80x = 220,997.70 × 131,002.20
  4. Step 4: Simplify right side
    147,331.80x = 28,951,184,894.94
  5. Step 5: Solve for x
    x = 28,951,184,894.94/147,331.80
  6. Step 6: Final answer
    x = 196,503.30

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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.