Home / 115,415.79-173,063.39-52,205.72

Finding the Fourth Proportional to 115,415.79, 173,063.39 and 52,205.72

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Solution

The fourth proportional to 115,415.79, 173,063.39 and 52,205.72 is: 78,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,415.79 : 173,063.39 = 52,205.72 : x
  2. Step 2: Convert to fraction form
    115,415.79/173,063.39 = 52,205.72/x
  3. Step 3: Cross multiply
    115,415.79x = 173,063.39 × 52,205.72
  4. Step 4: Simplify right side
    115,415.79x = 9,034,897,754.25
  5. Step 5: Solve for x
    x = 9,034,897,754.25/115,415.79
  6. Step 6: Final answer
    x = 78,281.30

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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.