Home / 210,441.43-290,383.95-119,797.57

Finding the Fourth Proportional to 210,441.43, 290,383.95 and 119,797.57

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Solution

The fourth proportional to 210,441.43, 290,383.95 and 119,797.57 is: 165,306.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,441.43 : 290,383.95 = 119,797.57 : x
  2. Step 2: Convert to fraction form
    210,441.43/290,383.95 = 119,797.57/x
  3. Step 3: Cross multiply
    210,441.43x = 290,383.95 × 119,797.57
  4. Step 4: Simplify right side
    210,441.43x = 34,787,291,577.00
  5. Step 5: Solve for x
    x = 34,787,291,577.00/210,441.43
  6. Step 6: Final answer
    x = 165,306.29

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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.