Home / 151,218.40-226,827.60-98,687.20

Finding the Fourth Proportional to 151,218.40, 226,827.60 and 98,687.20

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Solution

The fourth proportional to 151,218.40, 226,827.60 and 98,687.20 is: 148,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,218.40 : 226,827.60 = 98,687.20 : x
  2. Step 2: Convert to fraction form
    151,218.40/226,827.60 = 98,687.20/x
  3. Step 3: Cross multiply
    151,218.40x = 226,827.60 × 98,687.20
  4. Step 4: Simplify right side
    151,218.40x = 22,384,980,726.72
  5. Step 5: Solve for x
    x = 22,384,980,726.72/151,218.40
  6. Step 6: Final answer
    x = 148,030.80

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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.