Home / 131,836.64-197,788.56-38,342.40

Finding the Fourth Proportional to 131,836.64, 197,788.56 and 38,342.40

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Solution

The fourth proportional to 131,836.64, 197,788.56 and 38,342.40 is: 57,523.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,836.64 : 197,788.56 = 38,342.40 : x
  2. Step 2: Convert to fraction form
    131,836.64/197,788.56 = 38,342.40/x
  3. Step 3: Cross multiply
    131,836.64x = 197,788.56 × 38,342.40
  4. Step 4: Simplify right side
    131,836.64x = 7,583,688,082.94
  5. Step 5: Solve for x
    x = 7,583,688,082.94/131,836.64
  6. Step 6: Final answer
    x = 57,523.37

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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.