Home / 197,474.22-272,230.98-140,787.18

Finding the Fourth Proportional to 197,474.22, 272,230.98 and 140,787.18

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Solution

The fourth proportional to 197,474.22, 272,230.98 and 140,787.18 is: 194,084.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,474.22 : 272,230.98 = 140,787.18 : x
  2. Step 2: Convert to fraction form
    197,474.22/272,230.98 = 140,787.18/x
  3. Step 3: Cross multiply
    197,474.22x = 272,230.98 × 140,787.18
  4. Step 4: Simplify right side
    197,474.22x = 38,326,631,982.84
  5. Step 5: Solve for x
    x = 38,326,631,982.84/197,474.22
  6. Step 6: Final answer
    x = 194,084.23

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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.