Home / 78,293.70-117,444.51-22,137.87

Finding the Fourth Proportional to 78,293.70, 117,444.51 and 22,137.87

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Solution

The fourth proportional to 78,293.70, 117,444.51 and 22,137.87 is: 33,207.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,293.70 : 117,444.51 = 22,137.87 : x
  2. Step 2: Convert to fraction form
    78,293.70/117,444.51 = 22,137.87/x
  3. Step 3: Cross multiply
    78,293.70x = 117,444.51 × 22,137.87
  4. Step 4: Simplify right side
    78,293.70x = 2,599,971,294.59
  5. Step 5: Solve for x
    x = 2,599,971,294.59/78,293.70
  6. Step 6: Final answer
    x = 33,207.92

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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.