Home / 144,034.09-198,766.87-83,607.28

Finding the Fourth Proportional to 144,034.09, 198,766.87 and 83,607.28

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Solution

The fourth proportional to 144,034.09, 198,766.87 and 83,607.28 is: 115,377.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,034.09 : 198,766.87 = 83,607.28 : x
  2. Step 2: Convert to fraction form
    144,034.09/198,766.87 = 83,607.28/x
  3. Step 3: Cross multiply
    144,034.09x = 198,766.87 × 83,607.28
  4. Step 4: Simplify right side
    144,034.09x = 16,618,357,354.81
  5. Step 5: Solve for x
    x = 16,618,357,354.81/144,034.09
  6. Step 6: Final answer
    x = 115,377.95

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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.