Home / 144,300.66-199,135.42-80,639.52

Finding the Fourth Proportional to 144,300.66, 199,135.42 and 80,639.52

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Solution

The fourth proportional to 144,300.66, 199,135.42 and 80,639.52 is: 111,282.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,300.66 : 199,135.42 = 80,639.52 : x
  2. Step 2: Convert to fraction form
    144,300.66/199,135.42 = 80,639.52/x
  3. Step 3: Cross multiply
    144,300.66x = 199,135.42 × 80,639.52
  4. Step 4: Simplify right side
    144,300.66x = 16,058,184,683.80
  5. Step 5: Solve for x
    x = 16,058,184,683.80/144,300.66
  6. Step 6: Final answer
    x = 111,282.82

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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.