Home / 102,287.16-153,404.82-43,122.36

Finding the Fourth Proportional to 102,287.16, 153,404.82 and 43,122.36

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Solution

The fourth proportional to 102,287.16, 153,404.82 and 43,122.36 is: 64,672.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,287.16 : 153,404.82 = 43,122.36 : x
  2. Step 2: Convert to fraction form
    102,287.16/153,404.82 = 43,122.36/x
  3. Step 3: Cross multiply
    102,287.16x = 153,404.82 × 43,122.36
  4. Step 4: Simplify right side
    102,287.16x = 6,615,177,873.78
  5. Step 5: Solve for x
    x = 6,615,177,873.78/102,287.16
  6. Step 6: Final answer
    x = 64,672.61

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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.