Home / 115,942.90-173,655.15-113,350.90

Finding the Fourth Proportional to 115,942.90, 173,655.15 and 113,350.90

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Solution

The fourth proportional to 115,942.90, 173,655.15 and 113,350.90 is: 169,772.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,942.90 : 173,655.15 = 113,350.90 : x
  2. Step 2: Convert to fraction form
    115,942.90/173,655.15 = 113,350.90/x
  3. Step 3: Cross multiply
    115,942.90x = 173,655.15 × 113,350.90
  4. Step 4: Simplify right side
    115,942.90x = 19,683,967,542.14
  5. Step 5: Solve for x
    x = 19,683,967,542.14/115,942.90
  6. Step 6: Final answer
    x = 169,772.94

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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.