Home / 222,038.20-306,415.94-125,246.68

Finding the Fourth Proportional to 222,038.20, 306,415.94 and 125,246.68

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Solution

The fourth proportional to 222,038.20, 306,415.94 and 125,246.68 is: 172,842.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,038.20 : 306,415.94 = 125,246.68 : x
  2. Step 2: Convert to fraction form
    222,038.20/306,415.94 = 125,246.68/x
  3. Step 3: Cross multiply
    222,038.20x = 306,415.94 × 125,246.68
  4. Step 4: Simplify right side
    222,038.20x = 38,377,579,184.08
  5. Step 5: Solve for x
    x = 38,377,579,184.08/222,038.20
  6. Step 6: Final answer
    x = 172,842.24

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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.