Home / 130,374.88-195,260.28-111,191.20

Finding the Fourth Proportional to 130,374.88, 195,260.28 and 111,191.20

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Solution

The fourth proportional to 130,374.88, 195,260.28 and 111,191.20 is: 166,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,374.88 : 195,260.28 = 111,191.20 : x
  2. Step 2: Convert to fraction form
    130,374.88/195,260.28 = 111,191.20/x
  3. Step 3: Cross multiply
    130,374.88x = 195,260.28 × 111,191.20
  4. Step 4: Simplify right side
    130,374.88x = 21,711,224,845.54
  5. Step 5: Solve for x
    x = 21,711,224,845.54/130,374.88
  6. Step 6: Final answer
    x = 166,529.20

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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.