Home / 144,353.15-216,107.49-84,197.69

Finding the Fourth Proportional to 144,353.15, 216,107.49 and 84,197.69

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Solution

The fourth proportional to 144,353.15, 216,107.49 and 84,197.69 is: 126,050.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,353.15 : 216,107.49 = 84,197.69 : x
  2. Step 2: Convert to fraction form
    144,353.15/216,107.49 = 84,197.69/x
  3. Step 3: Cross multiply
    144,353.15x = 216,107.49 × 84,197.69
  4. Step 4: Simplify right side
    144,353.15x = 18,195,751,449.70
  5. Step 5: Solve for x
    x = 18,195,751,449.70/144,353.15
  6. Step 6: Final answer
    x = 126,050.26

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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.