Home / 132,855.62-199,398.56-69,720.35

Finding the Fourth Proportional to 132,855.62, 199,398.56 and 69,720.35

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Solution

The fourth proportional to 132,855.62, 199,398.56 and 69,720.35 is: 104,640.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,855.62 : 199,398.56 = 69,720.35 : x
  2. Step 2: Convert to fraction form
    132,855.62/199,398.56 = 69,720.35/x
  3. Step 3: Cross multiply
    132,855.62x = 199,398.56 × 69,720.35
  4. Step 4: Simplify right side
    132,855.62x = 13,902,136,047.10
  5. Step 5: Solve for x
    x = 13,902,136,047.10/132,855.62
  6. Step 6: Final answer
    x = 104,640.94

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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.