Home / 151,013.80-226,520.70-72,281.80

Finding the Fourth Proportional to 151,013.80, 226,520.70 and 72,281.80

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Solution

The fourth proportional to 151,013.80, 226,520.70 and 72,281.80 is: 108,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,013.80 : 226,520.70 = 72,281.80 : x
  2. Step 2: Convert to fraction form
    151,013.80/226,520.70 = 72,281.80/x
  3. Step 3: Cross multiply
    151,013.80x = 226,520.70 × 72,281.80
  4. Step 4: Simplify right side
    151,013.80x = 16,373,323,933.26
  5. Step 5: Solve for x
    x = 16,373,323,933.26/151,013.80
  6. Step 6: Final answer
    x = 108,422.70

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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.