Home / 167,544.40-251,360.34-87,587.68

Finding the Fourth Proportional to 167,544.40, 251,360.34 and 87,587.68

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Solution

The fourth proportional to 167,544.40, 251,360.34 and 87,587.68 is: 131,404.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,544.40 : 251,360.34 = 87,587.68 : x
  2. Step 2: Convert to fraction form
    167,544.40/251,360.34 = 87,587.68/x
  3. Step 3: Cross multiply
    167,544.40x = 251,360.34 × 87,587.68
  4. Step 4: Simplify right side
    167,544.40x = 22,016,069,024.61
  5. Step 5: Solve for x
    x = 22,016,069,024.61/167,544.40
  6. Step 6: Final answer
    x = 131,404.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.