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Finding the Fourth Proportional to 187,017.26, 280,941.08 and 115,992.39

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Solution

The fourth proportional to 187,017.26, 280,941.08 and 115,992.39 is: 174,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,017.26 : 280,941.08 = 115,992.39 : x
  2. Step 2: Convert to fraction form
    187,017.26/280,941.08 = 115,992.39/x
  3. Step 3: Cross multiply
    187,017.26x = 280,941.08 × 115,992.39
  4. Step 4: Simplify right side
    187,017.26x = 32,587,027,608.36
  5. Step 5: Solve for x
    x = 32,587,027,608.36/187,017.26
  6. Step 6: Final answer
    x = 174,246.10

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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.