Home / 144,022.10-216,033.15-91,469.30

Finding the Fourth Proportional to 144,022.10, 216,033.15 and 91,469.30

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Solution

The fourth proportional to 144,022.10, 216,033.15 and 91,469.30 is: 137,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,022.10 : 216,033.15 = 91,469.30 : x
  2. Step 2: Convert to fraction form
    144,022.10/216,033.15 = 91,469.30/x
  3. Step 3: Cross multiply
    144,022.10x = 216,033.15 × 91,469.30
  4. Step 4: Simplify right side
    144,022.10x = 19,760,401,007.30
  5. Step 5: Solve for x
    x = 19,760,401,007.30/144,022.10
  6. Step 6: Final answer
    x = 137,203.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.