Home / 103,389.83-142,677.99-58,067.87

Finding the Fourth Proportional to 103,389.83, 142,677.99 and 58,067.87

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Solution

The fourth proportional to 103,389.83, 142,677.99 and 58,067.87 is: 80,133.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,389.83 : 142,677.99 = 58,067.87 : x
  2. Step 2: Convert to fraction form
    103,389.83/142,677.99 = 58,067.87/x
  3. Step 3: Cross multiply
    103,389.83x = 142,677.99 × 58,067.87
  4. Step 4: Simplify right side
    103,389.83x = 8,285,007,331.88
  5. Step 5: Solve for x
    x = 8,285,007,331.88/103,389.83
  6. Step 6: Final answer
    x = 80,133.68

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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.