Home / 209,823.80-314,828.72-109,960.25

Finding the Fourth Proportional to 209,823.80, 314,828.72 and 109,960.25

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Solution

The fourth proportional to 209,823.80, 314,828.72 and 109,960.25 is: 164,989.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,823.80 : 314,828.72 = 109,960.25 : x
  2. Step 2: Convert to fraction form
    209,823.80/314,828.72 = 109,960.25/x
  3. Step 3: Cross multiply
    209,823.80x = 314,828.72 × 109,960.25
  4. Step 4: Simplify right side
    209,823.80x = 34,618,644,758.38
  5. Step 5: Solve for x
    x = 34,618,644,758.38/209,823.80
  6. Step 6: Final answer
    x = 164,989.12

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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.