Home / 101,841.07-152,702.41-68,145.60

Finding the Fourth Proportional to 101,841.07, 152,702.41 and 68,145.60

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Solution

The fourth proportional to 101,841.07, 152,702.41 and 68,145.60 is: 102,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,841.07 : 152,702.41 = 68,145.60 : x
  2. Step 2: Convert to fraction form
    101,841.07/152,702.41 = 68,145.60/x
  3. Step 3: Cross multiply
    101,841.07x = 152,702.41 × 68,145.60
  4. Step 4: Simplify right side
    101,841.07x = 10,405,996,409.51
  5. Step 5: Solve for x
    x = 10,405,996,409.51/101,841.07
  6. Step 6: Final answer
    x = 102,178.78

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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.