Home / 211,325.52-291,637.26-120,682.20

Finding the Fourth Proportional to 211,325.52, 291,637.26 and 120,682.20

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Solution

The fourth proportional to 211,325.52, 291,637.26 and 120,682.20 is: 166,546.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,325.52 : 291,637.26 = 120,682.20 : x
  2. Step 2: Convert to fraction form
    211,325.52/291,637.26 = 120,682.20/x
  3. Step 3: Cross multiply
    211,325.52x = 291,637.26 × 120,682.20
  4. Step 4: Simplify right side
    211,325.52x = 35,195,426,138.77
  5. Step 5: Solve for x
    x = 35,195,426,138.77/211,325.52
  6. Step 6: Final answer
    x = 166,546.03

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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.