Home / 147,370.28-203,210.06-99,540.59

Finding the Fourth Proportional to 147,370.28, 203,210.06 and 99,540.59

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Solution

The fourth proportional to 147,370.28, 203,210.06 and 99,540.59 is: 137,257.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,370.28 : 203,210.06 = 99,540.59 : x
  2. Step 2: Convert to fraction form
    147,370.28/203,210.06 = 99,540.59/x
  3. Step 3: Cross multiply
    147,370.28x = 203,210.06 × 99,540.59
  4. Step 4: Simplify right side
    147,370.28x = 20,227,647,752.58
  5. Step 5: Solve for x
    x = 20,227,647,752.58/147,370.28
  6. Step 6: Final answer
    x = 137,257.31

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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.