Home / 115,536.09-173,310.30-36,656.40

Finding the Fourth Proportional to 115,536.09, 173,310.30 and 36,656.40

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Solution

The fourth proportional to 115,536.09, 173,310.30 and 36,656.40 is: 54,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,536.09 : 173,310.30 = 36,656.40 : x
  2. Step 2: Convert to fraction form
    115,536.09/173,310.30 = 36,656.40/x
  3. Step 3: Cross multiply
    115,536.09x = 173,310.30 × 36,656.40
  4. Step 4: Simplify right side
    115,536.09x = 6,352,931,680.92
  5. Step 5: Solve for x
    x = 6,352,931,680.92/115,536.09
  6. Step 6: Final answer
    x = 54,986.56

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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.