Home / 222,025.24-306,388.74-121,423.24

Finding the Fourth Proportional to 222,025.24, 306,388.74 and 121,423.24

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Solution

The fourth proportional to 222,025.24, 306,388.74 and 121,423.24 is: 167,560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,025.24 : 306,388.74 = 121,423.24 : x
  2. Step 2: Convert to fraction form
    222,025.24/306,388.74 = 121,423.24/x
  3. Step 3: Cross multiply
    222,025.24x = 306,388.74 × 121,423.24
  4. Step 4: Simplify right side
    222,025.24x = 37,202,713,510.32
  5. Step 5: Solve for x
    x = 37,202,713,510.32/222,025.24
  6. Step 6: Final answer
    x = 167,560.74

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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.