Home / 109,487.26-151,097.60-61,739.58

Finding the Fourth Proportional to 109,487.26, 151,097.60 and 61,739.58

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Solution

The fourth proportional to 109,487.26, 151,097.60 and 61,739.58 is: 85,203.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,487.26 : 151,097.60 = 61,739.58 : x
  2. Step 2: Convert to fraction form
    109,487.26/151,097.60 = 61,739.58/x
  3. Step 3: Cross multiply
    109,487.26x = 151,097.60 × 61,739.58
  4. Step 4: Simplify right side
    109,487.26x = 9,328,702,363.01
  5. Step 5: Solve for x
    x = 9,328,702,363.01/109,487.26
  6. Step 6: Final answer
    x = 85,203.54

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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.