Home / 103,877.56-143,282.22-64,064.44

Finding the Fourth Proportional to 103,877.56, 143,282.22 and 64,064.44

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Solution

The fourth proportional to 103,877.56, 143,282.22 and 64,064.44 is: 88,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,877.56 : 143,282.22 = 64,064.44 : x
  2. Step 2: Convert to fraction form
    103,877.56/143,282.22 = 64,064.44/x
  3. Step 3: Cross multiply
    103,877.56x = 143,282.22 × 64,064.44
  4. Step 4: Simplify right side
    103,877.56x = 9,179,295,186.26
  5. Step 5: Solve for x
    x = 9,179,295,186.26/103,877.56
  6. Step 6: Final answer
    x = 88,366.49

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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.