Home / 115,669.63-173,081.91-68,307.11

Finding the Fourth Proportional to 115,669.63, 173,081.91 and 68,307.11

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Solution

The fourth proportional to 115,669.63, 173,081.91 and 68,307.11 is: 102,211.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,669.63 : 173,081.91 = 68,307.11 : x
  2. Step 2: Convert to fraction form
    115,669.63/173,081.91 = 68,307.11/x
  3. Step 3: Cross multiply
    115,669.63x = 173,081.91 × 68,307.11
  4. Step 4: Simplify right side
    115,669.63x = 11,822,725,065.38
  5. Step 5: Solve for x
    x = 11,822,725,065.38/115,669.63
  6. Step 6: Final answer
    x = 102,211.14

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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.