Home / 115,170.64-172,762.14-36,291.04

Finding the Fourth Proportional to 115,170.64, 172,762.14 and 36,291.04

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Solution

The fourth proportional to 115,170.64, 172,762.14 and 36,291.04 is: 54,438.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,170.64 : 172,762.14 = 36,291.04 : x
  2. Step 2: Convert to fraction form
    115,170.64/172,762.14 = 36,291.04/x
  3. Step 3: Cross multiply
    115,170.64x = 172,762.14 × 36,291.04
  4. Step 4: Simplify right side
    115,170.64x = 6,269,717,733.23
  5. Step 5: Solve for x
    x = 6,269,717,733.23/115,170.64
  6. Step 6: Final answer
    x = 54,438.51

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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.