Home / 211,829.78-292,272.96-119,951.18

Finding the Fourth Proportional to 211,829.78, 292,272.96 and 119,951.18

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Solution

The fourth proportional to 211,829.78, 292,272.96 and 119,951.18 is: 165,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,829.78 : 292,272.96 = 119,951.18 : x
  2. Step 2: Convert to fraction form
    211,829.78/292,272.96 = 119,951.18/x
  3. Step 3: Cross multiply
    211,829.78x = 292,272.96 × 119,951.18
  4. Step 4: Simplify right side
    211,829.78x = 35,058,485,843.84
  5. Step 5: Solve for x
    x = 35,058,485,843.84/211,829.78
  6. Step 6: Final answer
    x = 165,503.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.