Home / 110,570.27-152,466.39-74,698

Finding the Fourth Proportional to 110,570.27, 152,466.39 and 74,698

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Solution

The fourth proportional to 110,570.27, 152,466.39 and 74,698 is: 103,001.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,570.27 : 152,466.39 = 74,698 : x
  2. Step 2: Convert to fraction form
    110,570.27/152,466.39 = 74,698/x
  3. Step 3: Cross multiply
    110,570.27x = 152,466.39 × 74,698
  4. Step 4: Simplify right side
    110,570.27x = 11,388,934,400.22
  5. Step 5: Solve for x
    x = 11,388,934,400.22/110,570.27
  6. Step 6: Final answer
    x = 103,001.78

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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.