Home / 109,823.56-151,555.38-61,424.96

Finding the Fourth Proportional to 109,823.56, 151,555.38 and 61,424.96

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Solution

The fourth proportional to 109,823.56, 151,555.38 and 61,424.96 is: 84,765.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,823.56 : 151,555.38 = 61,424.96 : x
  2. Step 2: Convert to fraction form
    109,823.56/151,555.38 = 61,424.96/x
  3. Step 3: Cross multiply
    109,823.56x = 151,555.38 × 61,424.96
  4. Step 4: Simplify right side
    109,823.56x = 9,309,283,154.28
  5. Step 5: Solve for x
    x = 9,309,283,154.28/109,823.56
  6. Step 6: Final answer
    x = 84,765.81

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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.