Home / 203,587.20-305,480.16-143,998.54

Finding the Fourth Proportional to 203,587.20, 305,480.16 and 143,998.54

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Solution

The fourth proportional to 203,587.20, 305,480.16 and 143,998.54 is: 216,068.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,587.20 : 305,480.16 = 143,998.54 : x
  2. Step 2: Convert to fraction form
    203,587.20/305,480.16 = 143,998.54/x
  3. Step 3: Cross multiply
    203,587.20x = 305,480.16 × 143,998.54
  4. Step 4: Simplify right side
    203,587.20x = 43,988,696,275.27
  5. Step 5: Solve for x
    x = 43,988,696,275.27/203,587.20
  6. Step 6: Final answer
    x = 216,068.08

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1.5x scale

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.