Home / 151,525.08-209,062.62-86,994

Finding the Fourth Proportional to 151,525.08, 209,062.62 and 86,994

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Solution

The fourth proportional to 151,525.08, 209,062.62 and 86,994 is: 120,027.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,525.08 : 209,062.62 = 86,994 : x
  2. Step 2: Convert to fraction form
    151,525.08/209,062.62 = 86,994/x
  3. Step 3: Cross multiply
    151,525.08x = 209,062.62 × 86,994
  4. Step 4: Simplify right side
    151,525.08x = 18,187,193,564.28
  5. Step 5: Solve for x
    x = 18,187,193,564.28/151,525.08
  6. Step 6: Final answer
    x = 120,027.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.