Home / 130,811.25-196,246.13-47,705.25

Finding the Fourth Proportional to 130,811.25, 196,246.13 and 47,705.25

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Solution

The fourth proportional to 130,811.25, 196,246.13 and 47,705.25 is: 71,568.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,811.25 : 196,246.13 = 47,705.25 : x
  2. Step 2: Convert to fraction form
    130,811.25/196,246.13 = 47,705.25/x
  3. Step 3: Cross multiply
    130,811.25x = 196,246.13 × 47,705.25
  4. Step 4: Simplify right side
    130,811.25x = 9,361,970,454.66
  5. Step 5: Solve for x
    x = 9,361,970,454.66/130,811.25
  6. Step 6: Final answer
    x = 71,568.54

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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.