Home / 130,977.54-196,446.25-42,221.79

Finding the Fourth Proportional to 130,977.54, 196,446.25 and 42,221.79

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Solution

The fourth proportional to 130,977.54, 196,446.25 and 42,221.79 is: 63,326.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,977.54 : 196,446.25 = 42,221.79 : x
  2. Step 2: Convert to fraction form
    130,977.54/196,446.25 = 42,221.79/x
  3. Step 3: Cross multiply
    130,977.54x = 196,446.25 × 42,221.79
  4. Step 4: Simplify right side
    130,977.54x = 8,294,312,313.79
  5. Step 5: Solve for x
    x = 8,294,312,313.79/130,977.54
  6. Step 6: Final answer
    x = 63,326.22

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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.