Home / 104,557.78-144,287.66-56,811.47

Finding the Fourth Proportional to 104,557.78, 144,287.66 and 56,811.47

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Solution

The fourth proportional to 104,557.78, 144,287.66 and 56,811.47 is: 78,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,557.78 : 144,287.66 = 56,811.47 : x
  2. Step 2: Convert to fraction form
    104,557.78/144,287.66 = 56,811.47/x
  3. Step 3: Cross multiply
    104,557.78x = 144,287.66 × 56,811.47
  4. Step 4: Simplify right side
    104,557.78x = 8,197,194,067.46
  5. Step 5: Solve for x
    x = 8,197,194,067.46/104,557.78
  6. Step 6: Final answer
    x = 78,398.70

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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.