Home / 151,530.40-227,295.60-98,999.20

Finding the Fourth Proportional to 151,530.40, 227,295.60 and 98,999.20

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Solution

The fourth proportional to 151,530.40, 227,295.60 and 98,999.20 is: 148,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,530.40 : 227,295.60 = 98,999.20 : x
  2. Step 2: Convert to fraction form
    151,530.40/227,295.60 = 98,999.20/x
  3. Step 3: Cross multiply
    151,530.40x = 227,295.60 × 98,999.20
  4. Step 4: Simplify right side
    151,530.40x = 22,502,082,563.52
  5. Step 5: Solve for x
    x = 22,502,082,563.52/151,530.40
  6. Step 6: Final answer
    x = 148,498.80

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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.