Home / 148,287.84-204,637.36-80,304.88

Finding the Fourth Proportional to 148,287.84, 204,637.36 and 80,304.88

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Solution

The fourth proportional to 148,287.84, 204,637.36 and 80,304.88 is: 110,820.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,287.84 : 204,637.36 = 80,304.88 : x
  2. Step 2: Convert to fraction form
    148,287.84/204,637.36 = 80,304.88/x
  3. Step 3: Cross multiply
    148,287.84x = 204,637.36 × 80,304.88
  4. Step 4: Simplify right side
    148,287.84x = 16,433,378,638.32
  5. Step 5: Solve for x
    x = 16,433,378,638.32/148,287.84
  6. Step 6: Final answer
    x = 110,820.81

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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.