Home / 144,267.06-199,082.15-80,603.49

Finding the Fourth Proportional to 144,267.06, 199,082.15 and 80,603.49

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Solution

The fourth proportional to 144,267.06, 199,082.15 and 80,603.49 is: 111,229.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,267.06 : 199,082.15 = 80,603.49 : x
  2. Step 2: Convert to fraction form
    144,267.06/199,082.15 = 80,603.49/x
  3. Step 3: Cross multiply
    144,267.06x = 199,082.15 × 80,603.49
  4. Step 4: Simplify right side
    144,267.06x = 16,046,715,683.69
  5. Step 5: Solve for x
    x = 16,046,715,683.69/144,267.06
  6. Step 6: Final answer
    x = 111,229.24

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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.