Home / 147,323.25-203,306.09-80,255.25

Finding the Fourth Proportional to 147,323.25, 203,306.09 and 80,255.25

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Solution

The fourth proportional to 147,323.25, 203,306.09 and 80,255.25 is: 110,752.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,323.25 : 203,306.09 = 80,255.25 : x
  2. Step 2: Convert to fraction form
    147,323.25/203,306.09 = 80,255.25/x
  3. Step 3: Cross multiply
    147,323.25x = 203,306.09 × 80,255.25
  4. Step 4: Simplify right side
    147,323.25x = 16,316,380,678.20
  5. Step 5: Solve for x
    x = 16,316,380,678.20/147,323.25
  6. Step 6: Final answer
    x = 110,752.25

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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.