Home / 115,116.82-172,697.10-40,258.24

Finding the Fourth Proportional to 115,116.82, 172,697.10 and 40,258.24

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Solution

The fourth proportional to 115,116.82, 172,697.10 and 40,258.24 is: 60,395.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,116.82 : 172,697.10 = 40,258.24 : x
  2. Step 2: Convert to fraction form
    115,116.82/172,697.10 = 40,258.24/x
  3. Step 3: Cross multiply
    115,116.82x = 172,697.10 × 40,258.24
  4. Step 4: Simplify right side
    115,116.82x = 6,952,481,299.10
  5. Step 5: Solve for x
    x = 6,952,481,299.10/115,116.82
  6. Step 6: Final answer
    x = 60,395.01

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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.