Home / 101,627.09-152,379.06-45,456.72

Finding the Fourth Proportional to 101,627.09, 152,379.06 and 45,456.72

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Solution

The fourth proportional to 101,627.09, 152,379.06 and 45,456.72 is: 68,157.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,627.09 : 152,379.06 = 45,456.72 : x
  2. Step 2: Convert to fraction form
    101,627.09/152,379.06 = 45,456.72/x
  3. Step 3: Cross multiply
    101,627.09x = 152,379.06 × 45,456.72
  4. Step 4: Simplify right side
    101,627.09x = 6,926,652,264.28
  5. Step 5: Solve for x
    x = 6,926,652,264.28/101,627.09
  6. Step 6: Final answer
    x = 68,157.54

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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.