Home / 147,836.75-204,014.72-80,768.75

Finding the Fourth Proportional to 147,836.75, 204,014.72 and 80,768.75

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Solution

The fourth proportional to 147,836.75, 204,014.72 and 80,768.75 is: 111,460.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,836.75 : 204,014.72 = 80,768.75 : x
  2. Step 2: Convert to fraction form
    147,836.75/204,014.72 = 80,768.75/x
  3. Step 3: Cross multiply
    147,836.75x = 204,014.72 × 80,768.75
  4. Step 4: Simplify right side
    147,836.75x = 16,478,013,512.16
  5. Step 5: Solve for x
    x = 16,478,013,512.16/147,836.75
  6. Step 6: Final answer
    x = 111,460.88

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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.