Home / 106,749.82-160,225.05-54,197.02

Finding the Fourth Proportional to 106,749.82, 160,225.05 and 54,197.02

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Solution

The fourth proportional to 106,749.82, 160,225.05 and 54,197.02 is: 81,346.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,749.82 : 160,225.05 = 54,197.02 : x
  2. Step 2: Convert to fraction form
    106,749.82/160,225.05 = 54,197.02/x
  3. Step 3: Cross multiply
    106,749.82x = 160,225.05 × 54,197.02
  4. Step 4: Simplify right side
    106,749.82x = 8,683,720,239.35
  5. Step 5: Solve for x
    x = 8,683,720,239.35/106,749.82
  6. Step 6: Final answer
    x = 81,346.46

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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.