Home / 119,565.07-164,997.77-65,855.09

Finding the Fourth Proportional to 119,565.07, 164,997.77 and 65,855.09

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Solution

The fourth proportional to 119,565.07, 164,997.77 and 65,855.09 is: 90,878.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,565.07 : 164,997.77 = 65,855.09 : x
  2. Step 2: Convert to fraction form
    119,565.07/164,997.77 = 65,855.09/x
  3. Step 3: Cross multiply
    119,565.07x = 164,997.77 × 65,855.09
  4. Step 4: Simplify right side
    119,565.07x = 10,865,943,076.37
  5. Step 5: Solve for x
    x = 10,865,943,076.37/119,565.07
  6. Step 6: Final answer
    x = 90,878.91

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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.