Home / 144,847.40-199,897.08-81,205.52

Finding the Fourth Proportional to 144,847.40, 199,897.08 and 81,205.52

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Solution

The fourth proportional to 144,847.40, 199,897.08 and 81,205.52 is: 112,067.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,847.40 : 199,897.08 = 81,205.52 : x
  2. Step 2: Convert to fraction form
    144,847.40/199,897.08 = 81,205.52/x
  3. Step 3: Cross multiply
    144,847.40x = 199,897.08 × 81,205.52
  4. Step 4: Simplify right side
    144,847.40x = 16,232,746,327.88
  5. Step 5: Solve for x
    x = 16,232,746,327.88/144,847.40
  6. Step 6: Final answer
    x = 112,067.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.