Home / 157,046.49-235,480.46-107,187

Finding the Fourth Proportional to 157,046.49, 235,480.46 and 107,187

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Solution

The fourth proportional to 157,046.49, 235,480.46 and 107,187 is: 160,719.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,046.49 : 235,480.46 = 107,187 : x
  2. Step 2: Convert to fraction form
    157,046.49/235,480.46 = 107,187/x
  3. Step 3: Cross multiply
    157,046.49x = 235,480.46 × 107,187
  4. Step 4: Simplify right side
    157,046.49x = 25,240,443,530.09
  5. Step 5: Solve for x
    x = 25,240,443,530.09/157,046.49
  6. Step 6: Final answer
    x = 160,719.56

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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.