Home / 210,233.20-290,122.62-114,742

Finding the Fourth Proportional to 210,233.20, 290,122.62 and 114,742

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Solution

The fourth proportional to 210,233.20, 290,122.62 and 114,742 is: 158,344.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,233.20 : 290,122.62 = 114,742 : x
  2. Step 2: Convert to fraction form
    210,233.20/290,122.62 = 114,742/x
  3. Step 3: Cross multiply
    210,233.20x = 290,122.62 × 114,742
  4. Step 4: Simplify right side
    210,233.20x = 33,289,249,664.04
  5. Step 5: Solve for x
    x = 33,289,249,664.04/210,233.20
  6. Step 6: Final answer
    x = 158,344.40

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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.