Home / 144,304.66-199,140.94-80,643.52

Finding the Fourth Proportional to 144,304.66, 199,140.94 and 80,643.52

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Solution

The fourth proportional to 144,304.66, 199,140.94 and 80,643.52 is: 111,288.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,304.66 : 199,140.94 = 80,643.52 : x
  2. Step 2: Convert to fraction form
    144,304.66/199,140.94 = 80,643.52/x
  3. Step 3: Cross multiply
    144,304.66x = 199,140.94 × 80,643.52
  4. Step 4: Simplify right side
    144,304.66x = 16,059,426,377.71
  5. Step 5: Solve for x
    x = 16,059,426,377.71/144,304.66
  6. Step 6: Final answer
    x = 111,288.34

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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.