Home / 115,161.64-172,743.10-32,055.72

Finding the Fourth Proportional to 115,161.64, 172,743.10 and 32,055.72

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Solution

The fourth proportional to 115,161.64, 172,743.10 and 32,055.72 is: 48,083.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,161.64 : 172,743.10 = 32,055.72 : x
  2. Step 2: Convert to fraction form
    115,161.64/172,743.10 = 32,055.72/x
  3. Step 3: Cross multiply
    115,161.64x = 172,743.10 × 32,055.72
  4. Step 4: Simplify right side
    115,161.64x = 5,537,404,445.53
  5. Step 5: Solve for x
    x = 5,537,404,445.53/115,161.64
  6. Step 6: Final answer
    x = 48,083.76

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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.