Home / 155,301.60-214,058.09-109,921.35

Finding the Fourth Proportional to 155,301.60, 214,058.09 and 109,921.35

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Solution

The fourth proportional to 155,301.60, 214,058.09 and 109,921.35 is: 151,508.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,301.60 : 214,058.09 = 109,921.35 : x
  2. Step 2: Convert to fraction form
    155,301.60/214,058.09 = 109,921.35/x
  3. Step 3: Cross multiply
    155,301.60x = 214,058.09 × 109,921.35
  4. Step 4: Simplify right side
    155,301.60x = 23,529,555,308.74
  5. Step 5: Solve for x
    x = 23,529,555,308.74/155,301.60
  6. Step 6: Final answer
    x = 151,508.77

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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.