Home / 144,368.10-199,224.66-80,711.82

Finding the Fourth Proportional to 144,368.10, 199,224.66 and 80,711.82

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Solution

The fourth proportional to 144,368.10, 199,224.66 and 80,711.82 is: 111,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,368.10 : 199,224.66 = 80,711.82 : x
  2. Step 2: Convert to fraction form
    144,368.10/199,224.66 = 80,711.82/x
  3. Step 3: Cross multiply
    144,368.10x = 199,224.66 × 80,711.82
  4. Step 4: Simplify right side
    144,368.10x = 16,079,784,897.48
  5. Step 5: Solve for x
    x = 16,079,784,897.48/144,368.10
  6. Step 6: Final answer
    x = 111,380.46

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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.