Home / 239,703.40-359,388.34-121,293.75

Finding the Fourth Proportional to 239,703.40, 359,388.34 and 121,293.75

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Solution

The fourth proportional to 239,703.40, 359,388.34 and 121,293.75 is: 181,856.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,703.40 : 359,388.34 = 121,293.75 : x
  2. Step 2: Convert to fraction form
    239,703.40/359,388.34 = 121,293.75/x
  3. Step 3: Cross multiply
    239,703.40x = 359,388.34 × 121,293.75
  4. Step 4: Simplify right side
    239,703.40x = 43,591,561,191.62
  5. Step 5: Solve for x
    x = 43,591,561,191.62/239,703.40
  6. Step 6: Final answer
    x = 181,856.25

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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.