Home / 136,250.40-204,313.20-73,060.80

Finding the Fourth Proportional to 136,250.40, 204,313.20 and 73,060.80

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Solution

The fourth proportional to 136,250.40, 204,313.20 and 73,060.80 is: 109,557.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,250.40 : 204,313.20 = 73,060.80 : x
  2. Step 2: Convert to fraction form
    136,250.40/204,313.20 = 73,060.80/x
  3. Step 3: Cross multiply
    136,250.40x = 204,313.20 × 73,060.80
  4. Step 4: Simplify right side
    136,250.40x = 14,927,285,842.56
  5. Step 5: Solve for x
    x = 14,927,285,842.56/136,250.40
  6. Step 6: Final answer
    x = 109,557.74

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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.