Home / 130,376.40-195,802.20-114,046.80

Finding the Fourth Proportional to 130,376.40, 195,802.20 and 114,046.80

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Solution

The fourth proportional to 130,376.40, 195,802.20 and 114,046.80 is: 171,278.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,376.40 : 195,802.20 = 114,046.80 : x
  2. Step 2: Convert to fraction form
    130,376.40/195,802.20 = 114,046.80/x
  3. Step 3: Cross multiply
    130,376.40x = 195,802.20 × 114,046.80
  4. Step 4: Simplify right side
    130,376.40x = 22,330,614,342.96
  5. Step 5: Solve for x
    x = 22,330,614,342.96/130,376.40
  6. Step 6: Final answer
    x = 171,278.04

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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.