Home / 203,341.64-305,053.23-70,226.78

Finding the Fourth Proportional to 203,341.64, 305,053.23 and 70,226.78

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Solution

The fourth proportional to 203,341.64, 305,053.23 and 70,226.78 is: 105,354.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,341.64 : 305,053.23 = 70,226.78 : x
  2. Step 2: Convert to fraction form
    203,341.64/305,053.23 = 70,226.78/x
  3. Step 3: Cross multiply
    203,341.64x = 305,053.23 × 70,226.78
  4. Step 4: Simplify right side
    203,341.64x = 21,422,906,071.50
  5. Step 5: Solve for x
    x = 21,422,906,071.50/203,341.64
  6. Step 6: Final answer
    x = 105,354.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.