Home / 178,667.12-246,490.30-102,145.10

Finding the Fourth Proportional to 178,667.12, 246,490.30 and 102,145.10

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Solution

The fourth proportional to 178,667.12, 246,490.30 and 102,145.10 is: 140,920.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,667.12 : 246,490.30 = 102,145.10 : x
  2. Step 2: Convert to fraction form
    178,667.12/246,490.30 = 102,145.10/x
  3. Step 3: Cross multiply
    178,667.12x = 246,490.30 × 102,145.10
  4. Step 4: Simplify right side
    178,667.12x = 25,177,777,604.80
  5. Step 5: Solve for x
    x = 25,177,777,604.80/178,667.12
  6. Step 6: Final answer
    x = 140,920.04

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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.