Home / 144,448.27-216,494.91-81,135.29

Finding the Fourth Proportional to 144,448.27, 216,494.91 and 81,135.29

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Solution

The fourth proportional to 144,448.27, 216,494.91 and 81,135.29 is: 121,603.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,448.27 : 216,494.91 = 81,135.29 : x
  2. Step 2: Convert to fraction form
    144,448.27/216,494.91 = 81,135.29/x
  3. Step 3: Cross multiply
    144,448.27x = 216,494.91 × 81,135.29
  4. Step 4: Simplify right side
    144,448.27x = 17,565,377,847.61
  5. Step 5: Solve for x
    x = 17,565,377,847.61/144,448.27
  6. Step 6: Final answer
    x = 121,603.24

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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.