Home / 144,622.20-216,965.70-55,867.80

Finding the Fourth Proportional to 144,622.20, 216,965.70 and 55,867.80

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Solution

The fourth proportional to 144,622.20, 216,965.70 and 55,867.80 is: 83,814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,622.20 : 216,965.70 = 55,867.80 : x
  2. Step 2: Convert to fraction form
    144,622.20/216,965.70 = 55,867.80/x
  3. Step 3: Cross multiply
    144,622.20x = 216,965.70 × 55,867.80
  4. Step 4: Simplify right side
    144,622.20x = 12,121,396,334.46
  5. Step 5: Solve for x
    x = 12,121,396,334.46/144,622.20
  6. Step 6: Final answer
    x = 83,814.22

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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.