Home / 130,693.56-195,793.86-77,226.12

Finding the Fourth Proportional to 130,693.56, 195,793.86 and 77,226.12

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Solution

The fourth proportional to 130,693.56, 195,793.86 and 77,226.12 is: 115,693.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,693.56 : 195,793.86 = 77,226.12 : x
  2. Step 2: Convert to fraction form
    130,693.56/195,793.86 = 77,226.12/x
  3. Step 3: Cross multiply
    130,693.56x = 195,793.86 × 77,226.12
  4. Step 4: Simplify right side
    130,693.56x = 15,120,400,127.62
  5. Step 5: Solve for x
    x = 15,120,400,127.62/130,693.56
  6. Step 6: Final answer
    x = 115,693.54

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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.