Home / 130,976.54-196,444.76-42,220.79

Finding the Fourth Proportional to 130,976.54, 196,444.76 and 42,220.79

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Solution

The fourth proportional to 130,976.54, 196,444.76 and 42,220.79 is: 63,324.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,976.54 : 196,444.76 = 42,220.79 : x
  2. Step 2: Convert to fraction form
    130,976.54/196,444.76 = 42,220.79/x
  3. Step 3: Cross multiply
    130,976.54x = 196,444.76 × 42,220.79
  4. Step 4: Simplify right side
    130,976.54x = 8,294,051,765.23
  5. Step 5: Solve for x
    x = 8,294,051,765.23/130,976.54
  6. Step 6: Final answer
    x = 63,324.72

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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.