Home / 236,739.96-354,998.75-86,875.79

Finding the Fourth Proportional to 236,739.96, 354,998.75 and 86,875.79

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Solution

The fourth proportional to 236,739.96, 354,998.75 and 86,875.79 is: 130,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,739.96 : 354,998.75 = 86,875.79 : x
  2. Step 2: Convert to fraction form
    236,739.96/354,998.75 = 86,875.79/x
  3. Step 3: Cross multiply
    236,739.96x = 354,998.75 × 86,875.79
  4. Step 4: Simplify right side
    236,739.96x = 30,840,794,645.89
  5. Step 5: Solve for x
    x = 30,840,794,645.89/236,739.96
  6. Step 6: Final answer
    x = 130,272.87

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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.