Home / 212,456.20-293,191.50-116,965

Finding the Fourth Proportional to 212,456.20, 293,191.50 and 116,965

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Solution

The fourth proportional to 212,456.20, 293,191.50 and 116,965 is: 161,412.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,456.20 : 293,191.50 = 116,965 : x
  2. Step 2: Convert to fraction form
    212,456.20/293,191.50 = 116,965/x
  3. Step 3: Cross multiply
    212,456.20x = 293,191.50 × 116,965
  4. Step 4: Simplify right side
    212,456.20x = 34,293,143,797.50
  5. Step 5: Solve for x
    x = 34,293,143,797.50/212,456.20
  6. Step 6: Final answer
    x = 161,412.77

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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.