Home / 101,851.08-152,702.64-68,488.26

Finding the Fourth Proportional to 101,851.08, 152,702.64 and 68,488.26

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Solution

The fourth proportional to 101,851.08, 152,702.64 and 68,488.26 is: 102,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,851.08 : 152,702.64 = 68,488.26 : x
  2. Step 2: Convert to fraction form
    101,851.08/152,702.64 = 68,488.26/x
  3. Step 3: Cross multiply
    101,851.08x = 152,702.64 × 68,488.26
  4. Step 4: Simplify right side
    101,851.08x = 10,458,338,111.01
  5. Step 5: Solve for x
    x = 10,458,338,111.01/101,851.08
  6. Step 6: Final answer
    x = 102,682.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.