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Finding the Fourth Proportional to 131,591.16, 197,340.12 and 42,828.12

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Solution

The fourth proportional to 131,591.16, 197,340.12 and 42,828.12 is: 64,227.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,591.16 : 197,340.12 = 42,828.12 : x
  2. Step 2: Convert to fraction form
    131,591.16/197,340.12 = 42,828.12/x
  3. Step 3: Cross multiply
    131,591.16x = 197,340.12 × 42,828.12
  4. Step 4: Simplify right side
    131,591.16x = 8,451,706,340.17
  5. Step 5: Solve for x
    x = 8,451,706,340.17/131,591.16
  6. Step 6: Final answer
    x = 64,227.01

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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.