Home / 209,266.29-314,013.38-90,937.17

Finding the Fourth Proportional to 209,266.29, 314,013.38 and 90,937.17

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Solution

The fourth proportional to 209,266.29, 314,013.38 and 90,937.17 is: 136,455.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,266.29 : 314,013.38 = 90,937.17 : x
  2. Step 2: Convert to fraction form
    209,266.29/314,013.38 = 90,937.17/x
  3. Step 3: Cross multiply
    209,266.29x = 314,013.38 × 90,937.17
  4. Step 4: Simplify right side
    209,266.29x = 28,555,487,664.65
  5. Step 5: Solve for x
    x = 28,555,487,664.65/209,266.29
  6. Step 6: Final answer
    x = 136,455.27

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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.