Home / 115,242.90-172,858.28-35,280.94

Finding the Fourth Proportional to 115,242.90, 172,858.28 and 35,280.94

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Solution

The fourth proportional to 115,242.90, 172,858.28 and 35,280.94 is: 52,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,242.90 : 172,858.28 = 35,280.94 : x
  2. Step 2: Convert to fraction form
    115,242.90/172,858.28 = 35,280.94/x
  3. Step 3: Cross multiply
    115,242.90x = 172,858.28 × 35,280.94
  4. Step 4: Simplify right side
    115,242.90x = 6,098,602,906.13
  5. Step 5: Solve for x
    x = 6,098,602,906.13/115,242.90
  6. Step 6: Final answer
    x = 52,919.55

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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.