Home / 195,739.20-293,618.40-102,427.20

Finding the Fourth Proportional to 195,739.20, 293,618.40 and 102,427.20

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Solution

The fourth proportional to 195,739.20, 293,618.40 and 102,427.20 is: 153,645.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,739.20 : 293,618.40 = 102,427.20 : x
  2. Step 2: Convert to fraction form
    195,739.20/293,618.40 = 102,427.20/x
  3. Step 3: Cross multiply
    195,739.20x = 293,618.40 × 102,427.20
  4. Step 4: Simplify right side
    195,739.20x = 30,074,510,580.48
  5. Step 5: Solve for x
    x = 30,074,510,580.48/195,739.20
  6. Step 6: Final answer
    x = 153,645.82

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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.