Home / 151,057.40-226,391.70-91,830.20

Finding the Fourth Proportional to 151,057.40, 226,391.70 and 91,830.20

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Solution

The fourth proportional to 151,057.40, 226,391.70 and 91,830.20 is: 137,627.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,057.40 : 226,391.70 = 91,830.20 : x
  2. Step 2: Convert to fraction form
    151,057.40/226,391.70 = 91,830.20/x
  3. Step 3: Cross multiply
    151,057.40x = 226,391.70 × 91,830.20
  4. Step 4: Simplify right side
    151,057.40x = 20,789,595,089.34
  5. Step 5: Solve for x
    x = 20,789,595,089.34/151,057.40
  6. Step 6: Final answer
    x = 137,627.12

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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.