Home / 147,672.18-203,787.90-80,604.18

Finding the Fourth Proportional to 147,672.18, 203,787.90 and 80,604.18

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Solution

The fourth proportional to 147,672.18, 203,787.90 and 80,604.18 is: 111,233.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,672.18 : 203,787.90 = 80,604.18 : x
  2. Step 2: Convert to fraction form
    147,672.18/203,787.90 = 80,604.18/x
  3. Step 3: Cross multiply
    147,672.18x = 203,787.90 × 80,604.18
  4. Step 4: Simplify right side
    147,672.18x = 16,426,156,573.42
  5. Step 5: Solve for x
    x = 16,426,156,573.42/147,672.18
  6. Step 6: Final answer
    x = 111,233.93

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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.