Home / 147,999.32-204,234.90-80,929.88

Finding the Fourth Proportional to 147,999.32, 204,234.90 and 80,929.88

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Solution

The fourth proportional to 147,999.32, 204,234.90 and 80,929.88 is: 111,680.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,999.32 : 204,234.90 = 80,929.88 : x
  2. Step 2: Convert to fraction form
    147,999.32/204,234.90 = 80,929.88/x
  3. Step 3: Cross multiply
    147,999.32x = 204,234.90 × 80,929.88
  4. Step 4: Simplify right side
    147,999.32x = 16,528,705,948.81
  5. Step 5: Solve for x
    x = 16,528,705,948.81/147,999.32
  6. Step 6: Final answer
    x = 111,680.96

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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.