Home / 147,436.47-203,327.37-109,291.05

Finding the Fourth Proportional to 147,436.47, 203,327.37 and 109,291.05

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Solution

The fourth proportional to 147,436.47, 203,327.37 and 109,291.05 is: 150,721.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,436.47 : 203,327.37 = 109,291.05 : x
  2. Step 2: Convert to fraction form
    147,436.47/203,327.37 = 109,291.05/x
  3. Step 3: Cross multiply
    147,436.47x = 203,327.37 × 109,291.05
  4. Step 4: Simplify right side
    147,436.47x = 22,221,861,761.04
  5. Step 5: Solve for x
    x = 22,221,861,761.04/147,436.47
  6. Step 6: Final answer
    x = 150,721.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.