Home / 110,110.26-151,962.82-61,720.40

Finding the Fourth Proportional to 110,110.26, 151,962.82 and 61,720.40

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Solution

The fourth proportional to 110,110.26, 151,962.82 and 61,720.40 is: 85,180.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,110.26 : 151,962.82 = 61,720.40 : x
  2. Step 2: Convert to fraction form
    110,110.26/151,962.82 = 61,720.40/x
  3. Step 3: Cross multiply
    110,110.26x = 151,962.82 × 61,720.40
  4. Step 4: Simplify right side
    110,110.26x = 9,379,204,967.11
  5. Step 5: Solve for x
    x = 9,379,204,967.11/110,110.26
  6. Step 6: Final answer
    x = 85,180.12

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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.