Home / 141,310.08-211,503.60-103,860.24

Finding the Fourth Proportional to 141,310.08, 211,503.60 and 103,860.24

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Solution

The fourth proportional to 141,310.08, 211,503.60 and 103,860.24 is: 155,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,310.08 : 211,503.60 = 103,860.24 : x
  2. Step 2: Convert to fraction form
    141,310.08/211,503.60 = 103,860.24/x
  3. Step 3: Cross multiply
    141,310.08x = 211,503.60 × 103,860.24
  4. Step 4: Simplify right side
    141,310.08x = 21,966,814,656.86
  5. Step 5: Solve for x
    x = 21,966,814,656.86/141,310.08
  6. Step 6: Final answer
    x = 155,451.15

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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.