Home / 148,304.51-204,659.04-80,319.91

Finding the Fourth Proportional to 148,304.51, 204,659.04 and 80,319.91

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Solution

The fourth proportional to 148,304.51, 204,659.04 and 80,319.91 is: 110,840.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,304.51 : 204,659.04 = 80,319.91 : x
  2. Step 2: Convert to fraction form
    148,304.51/204,659.04 = 80,319.91/x
  3. Step 3: Cross multiply
    148,304.51x = 204,659.04 × 80,319.91
  4. Step 4: Simplify right side
    148,304.51x = 16,438,195,783.53
  5. Step 5: Solve for x
    x = 16,438,195,783.53/148,304.51
  6. Step 6: Final answer
    x = 110,840.84

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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.