Home / 210,226.20-290,101.50-114,732.12

Finding the Fourth Proportional to 210,226.20, 290,101.50 and 114,732.12

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Solution

The fourth proportional to 210,226.20, 290,101.50 and 114,732.12 is: 158,324.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,226.20 : 290,101.50 = 114,732.12 : x
  2. Step 2: Convert to fraction form
    210,226.20/290,101.50 = 114,732.12/x
  3. Step 3: Cross multiply
    210,226.20x = 290,101.50 × 114,732.12
  4. Step 4: Simplify right side
    210,226.20x = 33,283,960,110.18
  5. Step 5: Solve for x
    x = 33,283,960,110.18/210,226.20
  6. Step 6: Final answer
    x = 158,324.51

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1.5x scale

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.