Home / 130,287.40-195,722.70-125,330.20

Finding the Fourth Proportional to 130,287.40, 195,722.70 and 125,330.20

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Solution

The fourth proportional to 130,287.40, 195,722.70 and 125,330.20 is: 188,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,287.40 : 195,722.70 = 125,330.20 : x
  2. Step 2: Convert to fraction form
    130,287.40/195,722.70 = 125,330.20/x
  3. Step 3: Cross multiply
    130,287.40x = 195,722.70 × 125,330.20
  4. Step 4: Simplify right side
    130,287.40x = 24,529,965,135.54
  5. Step 5: Solve for x
    x = 24,529,965,135.54/130,287.40
  6. Step 6: Final answer
    x = 188,275.81

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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.