Home / 101,712.18-152,530.83-35,135.22

Finding the Fourth Proportional to 101,712.18, 152,530.83 and 35,135.22

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Solution

The fourth proportional to 101,712.18, 152,530.83 and 35,135.22 is: 52,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,712.18 : 152,530.83 = 35,135.22 : x
  2. Step 2: Convert to fraction form
    101,712.18/152,530.83 = 35,135.22/x
  3. Step 3: Cross multiply
    101,712.18x = 152,530.83 × 35,135.22
  4. Step 4: Simplify right side
    101,712.18x = 5,359,204,268.83
  5. Step 5: Solve for x
    x = 5,359,204,268.83/101,712.18
  6. Step 6: Final answer
    x = 52,689.90

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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.