Home / 109,771.31-151,484.66-61,374.97

Finding the Fourth Proportional to 109,771.31, 151,484.66 and 61,374.97

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Solution

The fourth proportional to 109,771.31, 151,484.66 and 61,374.97 is: 84,697.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,771.31 : 151,484.66 = 61,374.97 : x
  2. Step 2: Convert to fraction form
    109,771.31/151,484.66 = 61,374.97/x
  3. Step 3: Cross multiply
    109,771.31x = 151,484.66 × 61,374.97
  4. Step 4: Simplify right side
    109,771.31x = 9,297,366,575.60
  5. Step 5: Solve for x
    x = 9,297,366,575.60/109,771.31
  6. Step 6: Final answer
    x = 84,697.60

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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.