Home / 169,335.63-254,155.73-90,517.23

Finding the Fourth Proportional to 169,335.63, 254,155.73 and 90,517.23

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Solution

The fourth proportional to 169,335.63, 254,155.73 and 90,517.23 is: 135,857.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,335.63 : 254,155.73 = 90,517.23 : x
  2. Step 2: Convert to fraction form
    169,335.63/254,155.73 = 90,517.23/x
  3. Step 3: Cross multiply
    169,335.63x = 254,155.73 × 90,517.23
  4. Step 4: Simplify right side
    169,335.63x = 23,005,472,215.64
  5. Step 5: Solve for x
    x = 23,005,472,215.64/169,335.63
  6. Step 6: Final answer
    x = 135,857.25

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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.