Home / 147,192.75-203,126.01-80,124.75

Finding the Fourth Proportional to 147,192.75, 203,126.01 and 80,124.75

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Solution

The fourth proportional to 147,192.75, 203,126.01 and 80,124.75 is: 110,572.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,192.75 : 203,126.01 = 80,124.75 : x
  2. Step 2: Convert to fraction form
    147,192.75/203,126.01 = 80,124.75/x
  3. Step 3: Cross multiply
    147,192.75x = 203,126.01 × 80,124.75
  4. Step 4: Simplify right side
    147,192.75x = 16,275,420,769.75
  5. Step 5: Solve for x
    x = 16,275,420,769.75/147,192.75
  6. Step 6: Final answer
    x = 110,572.16

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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.