Home / 212,552.20-293,331.08-121,933.72

Finding the Fourth Proportional to 212,552.20, 293,331.08 and 121,933.72

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Solution

The fourth proportional to 212,552.20, 293,331.08 and 121,933.72 is: 168,273.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,552.20 : 293,331.08 = 121,933.72 : x
  2. Step 2: Convert to fraction form
    212,552.20/293,331.08 = 121,933.72/x
  3. Step 3: Cross multiply
    212,552.20x = 293,331.08 × 121,933.72
  4. Step 4: Simplify right side
    212,552.20x = 35,766,949,776.02
  5. Step 5: Solve for x
    x = 35,766,949,776.02/212,552.20
  6. Step 6: Final answer
    x = 168,273.72

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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.