Home / 143,925.29-198,616.52-80,263.16

Finding the Fourth Proportional to 143,925.29, 198,616.52 and 80,263.16

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Solution

The fourth proportional to 143,925.29, 198,616.52 and 80,263.16 is: 110,762.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,925.29 : 198,616.52 = 80,263.16 : x
  2. Step 2: Convert to fraction form
    143,925.29/198,616.52 = 80,263.16/x
  3. Step 3: Cross multiply
    143,925.29x = 198,616.52 × 80,263.16
  4. Step 4: Simplify right side
    143,925.29x = 15,941,589,122.09
  5. Step 5: Solve for x
    x = 15,941,589,122.09/143,925.29
  6. Step 6: Final answer
    x = 110,762.95

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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.