Home / 151,503.32-226,683.60-90,487.38

Finding the Fourth Proportional to 151,503.32, 226,683.60 and 90,487.38

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Solution

The fourth proportional to 151,503.32, 226,683.60 and 90,487.38 is: 135,389.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,503.32 : 226,683.60 = 90,487.38 : x
  2. Step 2: Convert to fraction form
    151,503.32/226,683.60 = 90,487.38/x
  3. Step 3: Cross multiply
    151,503.32x = 226,683.60 × 90,487.38
  4. Step 4: Simplify right side
    151,503.32x = 20,512,005,052.97
  5. Step 5: Solve for x
    x = 20,512,005,052.97/151,503.32
  6. Step 6: Final answer
    x = 135,389.81

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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.