Home / 109,067.36-163,569.42-42,492.65

Finding the Fourth Proportional to 109,067.36, 163,569.42 and 42,492.65

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Solution

The fourth proportional to 109,067.36, 163,569.42 and 42,492.65 is: 63,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,067.36 : 163,569.42 = 42,492.65 : x
  2. Step 2: Convert to fraction form
    109,067.36/163,569.42 = 42,492.65/x
  3. Step 3: Cross multiply
    109,067.36x = 163,569.42 × 42,492.65
  4. Step 4: Simplify right side
    109,067.36x = 6,950,497,296.92
  5. Step 5: Solve for x
    x = 6,950,497,296.92/109,067.36
  6. Step 6: Final answer
    x = 63,726.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.