Home / 104,067.52-143,613.60-56,320.84

Finding the Fourth Proportional to 104,067.52, 143,613.60 and 56,320.84

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Solution

The fourth proportional to 104,067.52, 143,613.60 and 56,320.84 is: 77,722.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,067.52 : 143,613.60 = 56,320.84 : x
  2. Step 2: Convert to fraction form
    104,067.52/143,613.60 = 56,320.84/x
  3. Step 3: Cross multiply
    104,067.52x = 143,613.60 × 56,320.84
  4. Step 4: Simplify right side
    104,067.52x = 8,088,438,587.42
  5. Step 5: Solve for x
    x = 8,088,438,587.42/104,067.52
  6. Step 6: Final answer
    x = 77,722.99

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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.