Home / 147,998.20-221,997.30-133,713.40

Finding the Fourth Proportional to 147,998.20, 221,997.30 and 133,713.40

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Solution

The fourth proportional to 147,998.20, 221,997.30 and 133,713.40 is: 200,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,998.20 : 221,997.30 = 133,713.40 : x
  2. Step 2: Convert to fraction form
    147,998.20/221,997.30 = 133,713.40/x
  3. Step 3: Cross multiply
    147,998.20x = 221,997.30 × 133,713.40
  4. Step 4: Simplify right side
    147,998.20x = 29,684,013,773.82
  5. Step 5: Solve for x
    x = 29,684,013,773.82/147,998.20
  6. Step 6: Final answer
    x = 200,570.10

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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.