Home / 131,628.84-197,443.11-42,882.21

Finding the Fourth Proportional to 131,628.84, 197,443.11 and 42,882.21

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Solution

The fourth proportional to 131,628.84, 197,443.11 and 42,882.21 is: 64,323.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,628.84 : 197,443.11 = 42,882.21 : x
  2. Step 2: Convert to fraction form
    131,628.84/197,443.11 = 42,882.21/x
  3. Step 3: Cross multiply
    131,628.84x = 197,443.11 × 42,882.21
  4. Step 4: Simplify right side
    131,628.84x = 8,466,796,906.07
  5. Step 5: Solve for x
    x = 8,466,796,906.07/131,628.84
  6. Step 6: Final answer
    x = 64,323.27

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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.