Home / 211,889.59-292,425.73-120,025.26

Finding the Fourth Proportional to 211,889.59, 292,425.73 and 120,025.26

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Solution

The fourth proportional to 211,889.59, 292,425.73 and 120,025.26 is: 165,645.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,889.59 : 292,425.73 = 120,025.26 : x
  2. Step 2: Convert to fraction form
    211,889.59/292,425.73 = 120,025.26/x
  3. Step 3: Cross multiply
    211,889.59x = 292,425.73 × 120,025.26
  4. Step 4: Simplify right side
    211,889.59x = 35,098,473,973.88
  5. Step 5: Solve for x
    x = 35,098,473,973.88/211,889.59
  6. Step 6: Final answer
    x = 165,645.11

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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.