Home / 255,588.72-352,712.45-148,221.02

Finding the Fourth Proportional to 255,588.72, 352,712.45 and 148,221.02

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Solution

The fourth proportional to 255,588.72, 352,712.45 and 148,221.02 is: 204,545.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,588.72 : 352,712.45 = 148,221.02 : x
  2. Step 2: Convert to fraction form
    255,588.72/352,712.45 = 148,221.02/x
  3. Step 3: Cross multiply
    255,588.72x = 352,712.45 × 148,221.02
  4. Step 4: Simplify right side
    255,588.72x = 52,279,398,364.59
  5. Step 5: Solve for x
    x = 52,279,398,364.59/255,588.72
  6. Step 6: Final answer
    x = 204,545.01

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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.