Home / 115,078.08-172,617.57-40,197.93

Finding the Fourth Proportional to 115,078.08, 172,617.57 and 40,197.93

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Solution

The fourth proportional to 115,078.08, 172,617.57 and 40,197.93 is: 60,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,078.08 : 172,617.57 = 40,197.93 : x
  2. Step 2: Convert to fraction form
    115,078.08/172,617.57 = 40,197.93/x
  3. Step 3: Cross multiply
    115,078.08x = 172,617.57 × 40,197.93
  4. Step 4: Simplify right side
    115,078.08x = 6,938,868,995.63
  5. Step 5: Solve for x
    x = 6,938,868,995.63/115,078.08
  6. Step 6: Final answer
    x = 60,297.05

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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.