Home / 153,001.74-211,138.19-85,016.96

Finding the Fourth Proportional to 153,001.74, 211,138.19 and 85,016.96

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Solution

The fourth proportional to 153,001.74, 211,138.19 and 85,016.96 is: 117,321.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,001.74 : 211,138.19 = 85,016.96 : x
  2. Step 2: Convert to fraction form
    153,001.74/211,138.19 = 85,016.96/x
  3. Step 3: Cross multiply
    153,001.74x = 211,138.19 × 85,016.96
  4. Step 4: Simplify right side
    153,001.74x = 17,950,327,161.73
  5. Step 5: Solve for x
    x = 17,950,327,161.73/153,001.74
  6. Step 6: Final answer
    x = 117,321.06

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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.