Home / 151,748.40-227,622.60-39,419.40

Finding the Fourth Proportional to 151,748.40, 227,622.60 and 39,419.40

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Solution

The fourth proportional to 151,748.40, 227,622.60 and 39,419.40 is: 59,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,748.40 : 227,622.60 = 39,419.40 : x
  2. Step 2: Convert to fraction form
    151,748.40/227,622.60 = 39,419.40/x
  3. Step 3: Cross multiply
    151,748.40x = 227,622.60 × 39,419.40
  4. Step 4: Simplify right side
    151,748.40x = 8,972,746,318.44
  5. Step 5: Solve for x
    x = 8,972,746,318.44/151,748.40
  6. Step 6: Final answer
    x = 59,129.10

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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.