Home / 115,553.70-173,330.55-40,758.30

Finding the Fourth Proportional to 115,553.70, 173,330.55 and 40,758.30

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Solution

The fourth proportional to 115,553.70, 173,330.55 and 40,758.30 is: 61,137.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,553.70 : 173,330.55 = 40,758.30 : x
  2. Step 2: Convert to fraction form
    115,553.70/173,330.55 = 40,758.30/x
  3. Step 3: Cross multiply
    115,553.70x = 173,330.55 × 40,758.30
  4. Step 4: Simplify right side
    115,553.70x = 7,064,658,556.07
  5. Step 5: Solve for x
    x = 7,064,658,556.07/115,553.70
  6. Step 6: Final answer
    x = 61,137.45

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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.