Home / 144,304.95-199,140.24-80,642.73

Finding the Fourth Proportional to 144,304.95, 199,140.24 and 80,642.73

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Solution

The fourth proportional to 144,304.95, 199,140.24 and 80,642.73 is: 111,286.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,304.95 : 199,140.24 = 80,642.73 : x
  2. Step 2: Convert to fraction form
    144,304.95/199,140.24 = 80,642.73/x
  3. Step 3: Cross multiply
    144,304.95x = 199,140.24 × 80,642.73
  4. Step 4: Simplify right side
    144,304.95x = 16,059,212,606.46
  5. Step 5: Solve for x
    x = 16,059,212,606.46/144,304.95
  6. Step 6: Final answer
    x = 111,286.64

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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.