Home / 130,947.78-196,315.68-40,944.17

Finding the Fourth Proportional to 130,947.78, 196,315.68 and 40,944.17

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Solution

The fourth proportional to 130,947.78, 196,315.68 and 40,944.17 is: 61,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,947.78 : 196,315.68 = 40,944.17 : x
  2. Step 2: Convert to fraction form
    130,947.78/196,315.68 = 40,944.17/x
  3. Step 3: Cross multiply
    130,947.78x = 196,315.68 × 40,944.17
  4. Step 4: Simplify right side
    130,947.78x = 8,037,982,575.59
  5. Step 5: Solve for x
    x = 8,037,982,575.59/130,947.78
  6. Step 6: Final answer
    x = 61,383.11

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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.