Home / 144,389.16-199,256.89-80,726.95

Finding the Fourth Proportional to 144,389.16, 199,256.89 and 80,726.95

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Solution

The fourth proportional to 144,389.16, 199,256.89 and 80,726.95 is: 111,403.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,389.16 : 199,256.89 = 80,726.95 : x
  2. Step 2: Convert to fraction form
    144,389.16/199,256.89 = 80,726.95/x
  3. Step 3: Cross multiply
    144,389.16x = 199,256.89 × 80,726.95
  4. Step 4: Simplify right side
    144,389.16x = 16,085,401,528.17
  5. Step 5: Solve for x
    x = 16,085,401,528.17/144,389.16
  6. Step 6: Final answer
    x = 111,403.11

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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.