Home / 143,998.20-216,037.80-65,110.68

Finding the Fourth Proportional to 143,998.20, 216,037.80 and 65,110.68

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Solution

The fourth proportional to 143,998.20, 216,037.80 and 65,110.68 is: 97,684.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,998.20 : 216,037.80 = 65,110.68 : x
  2. Step 2: Convert to fraction form
    143,998.20/216,037.80 = 65,110.68/x
  3. Step 3: Cross multiply
    143,998.20x = 216,037.80 × 65,110.68
  4. Step 4: Simplify right side
    143,998.20x = 14,066,368,063.70
  5. Step 5: Solve for x
    x = 14,066,368,063.70/143,998.20
  6. Step 6: Final answer
    x = 97,684.33

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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.