Home / 144,036.09-198,776.16-80,374.14

Finding the Fourth Proportional to 144,036.09, 198,776.16 and 80,374.14

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Solution

The fourth proportional to 144,036.09, 198,776.16 and 80,374.14 is: 110,919.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,036.09 : 198,776.16 = 80,374.14 : x
  2. Step 2: Convert to fraction form
    144,036.09/198,776.16 = 80,374.14/x
  3. Step 3: Cross multiply
    144,036.09x = 198,776.16 × 80,374.14
  4. Step 4: Simplify right side
    144,036.09x = 15,976,462,912.50
  5. Step 5: Solve for x
    x = 15,976,462,912.50/144,036.09
  6. Step 6: Final answer
    x = 110,919.86

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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.