Home / 148,019.44-204,304.80-91,398.28

Finding the Fourth Proportional to 148,019.44, 204,304.80 and 91,398.28

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Solution

The fourth proportional to 148,019.44, 204,304.80 and 91,398.28 is: 126,153.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,019.44 : 204,304.80 = 91,398.28 : x
  2. Step 2: Convert to fraction form
    148,019.44/204,304.80 = 91,398.28/x
  3. Step 3: Cross multiply
    148,019.44x = 204,304.80 × 91,398.28
  4. Step 4: Simplify right side
    148,019.44x = 18,673,107,315.74
  5. Step 5: Solve for x
    x = 18,673,107,315.74/148,019.44
  6. Step 6: Final answer
    x = 126,153.07

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1.5x scale

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.