Home / 141,309.36-211,847.40-103,867.92

Finding the Fourth Proportional to 141,309.36, 211,847.40 and 103,867.92

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Solution

The fourth proportional to 141,309.36, 211,847.40 and 103,867.92 is: 155,716.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,309.36 : 211,847.40 = 103,867.92 : x
  2. Step 2: Convert to fraction form
    141,309.36/211,847.40 = 103,867.92/x
  3. Step 3: Cross multiply
    141,309.36x = 211,847.40 × 103,867.92
  4. Step 4: Simplify right side
    141,309.36x = 22,004,148,795.41
  5. Step 5: Solve for x
    x = 22,004,148,795.41/141,309.36
  6. Step 6: Final answer
    x = 155,716.15

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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.