Home / 115,538.09-173,313.30-36,658.40

Finding the Fourth Proportional to 115,538.09, 173,313.30 and 36,658.40

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Solution

The fourth proportional to 115,538.09, 173,313.30 and 36,658.40 is: 54,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,538.09 : 173,313.30 = 36,658.40 : x
  2. Step 2: Convert to fraction form
    115,538.09/173,313.30 = 36,658.40/x
  3. Step 3: Cross multiply
    115,538.09x = 173,313.30 × 36,658.40
  4. Step 4: Simplify right side
    115,538.09x = 6,353,388,276.72
  5. Step 5: Solve for x
    x = 6,353,388,276.72/115,538.09
  6. Step 6: Final answer
    x = 54,989.56

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1.5x scale

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.