Home / 221,541.44-305,744.64-126,052.16

Finding the Fourth Proportional to 221,541.44, 305,744.64 and 126,052.16

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Solution

The fourth proportional to 221,541.44, 305,744.64 and 126,052.16 is: 173,961.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,541.44 : 305,744.64 = 126,052.16 : x
  2. Step 2: Convert to fraction form
    221,541.44/305,744.64 = 126,052.16/x
  3. Step 3: Cross multiply
    221,541.44x = 305,744.64 × 126,052.16
  4. Step 4: Simplify right side
    221,541.44x = 38,539,772,280.42
  5. Step 5: Solve for x
    x = 38,539,772,280.42/221,541.44
  6. Step 6: Final answer
    x = 173,961.91

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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.