Home / 151,784.43-227,636.96-45,139.65

Finding the Fourth Proportional to 151,784.43, 227,636.96 and 45,139.65

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Solution

The fourth proportional to 151,784.43, 227,636.96 and 45,139.65 is: 67,697.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,784.43 : 227,636.96 = 45,139.65 : x
  2. Step 2: Convert to fraction form
    151,784.43/227,636.96 = 45,139.65/x
  3. Step 3: Cross multiply
    151,784.43x = 227,636.96 × 45,139.65
  4. Step 4: Simplify right side
    151,784.43x = 10,275,453,669.77
  5. Step 5: Solve for x
    x = 10,275,453,669.77/151,784.43
  6. Step 6: Final answer
    x = 67,697.68

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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.