Home / 151,274.15-226,806.18-66,988.38

Finding the Fourth Proportional to 151,274.15, 226,806.18 and 66,988.38

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Solution

The fourth proportional to 151,274.15, 226,806.18 and 66,988.38 is: 100,436.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,274.15 : 226,806.18 = 66,988.38 : x
  2. Step 2: Convert to fraction form
    151,274.15/226,806.18 = 66,988.38/x
  3. Step 3: Cross multiply
    151,274.15x = 226,806.18 × 66,988.38
  4. Step 4: Simplify right side
    151,274.15x = 15,193,379,171.51
  5. Step 5: Solve for x
    x = 15,193,379,171.51/151,274.15
  6. Step 6: Final answer
    x = 100,436.06

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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.