Home / 151,749.10-227,623.65-80,890.30

Finding the Fourth Proportional to 151,749.10, 227,623.65 and 80,890.30

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Solution

The fourth proportional to 151,749.10, 227,623.65 and 80,890.30 is: 121,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,749.10 : 227,623.65 = 80,890.30 : x
  2. Step 2: Convert to fraction form
    151,749.10/227,623.65 = 80,890.30/x
  3. Step 3: Cross multiply
    151,749.10x = 227,623.65 × 80,890.30
  4. Step 4: Simplify right side
    151,749.10x = 18,412,545,335.60
  5. Step 5: Solve for x
    x = 18,412,545,335.60/151,749.10
  6. Step 6: Final answer
    x = 121,335.45

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1.5x scale

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.