Home / 104,067.25-143,612.81-56,320.95

Finding the Fourth Proportional to 104,067.25, 143,612.81 and 56,320.95

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Solution

The fourth proportional to 104,067.25, 143,612.81 and 56,320.95 is: 77,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,067.25 : 143,612.81 = 56,320.95 : x
  2. Step 2: Convert to fraction form
    104,067.25/143,612.81 = 56,320.95/x
  3. Step 3: Cross multiply
    104,067.25x = 143,612.81 × 56,320.95
  4. Step 4: Simplify right side
    104,067.25x = 8,088,408,891.70
  5. Step 5: Solve for x
    x = 8,088,408,891.70/104,067.25
  6. Step 6: Final answer
    x = 77,722.90

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1.5x scale

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.