Home / 115,530.10-173,311.60-35,574.78

Finding the Fourth Proportional to 115,530.10, 173,311.60 and 35,574.78

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Solution

The fourth proportional to 115,530.10, 173,311.60 and 35,574.78 is: 53,367.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,530.10 : 173,311.60 = 35,574.78 : x
  2. Step 2: Convert to fraction form
    115,530.10/173,311.60 = 35,574.78/x
  3. Step 3: Cross multiply
    115,530.10x = 173,311.60 × 35,574.78
  4. Step 4: Simplify right side
    115,530.10x = 6,165,522,041.45
  5. Step 5: Solve for x
    x = 6,165,522,041.45/115,530.10
  6. Step 6: Final answer
    x = 53,367.24

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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.