Home / 144,866.86-199,924.68-81,225.16

Finding the Fourth Proportional to 144,866.86, 199,924.68 and 81,225.16

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Solution

The fourth proportional to 144,866.86, 199,924.68 and 81,225.16 is: 112,095.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,866.86 : 199,924.68 = 81,225.16 : x
  2. Step 2: Convert to fraction form
    144,866.86/199,924.68 = 81,225.16/x
  3. Step 3: Cross multiply
    144,866.86x = 199,924.68 × 81,225.16
  4. Step 4: Simplify right side
    144,866.86x = 16,238,914,120.95
  5. Step 5: Solve for x
    x = 16,238,914,120.95/144,866.86
  6. Step 6: Final answer
    x = 112,095.44

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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.