Home / 211,146.46-291,301.04-120,507.46

Finding the Fourth Proportional to 211,146.46, 291,301.04 and 120,507.46

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Solution

The fourth proportional to 211,146.46, 291,301.04 and 120,507.46 is: 166,254.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,146.46 : 291,301.04 = 120,507.46 : x
  2. Step 2: Convert to fraction form
    211,146.46/291,301.04 = 120,507.46/x
  3. Step 3: Cross multiply
    211,146.46x = 291,301.04 × 120,507.46
  4. Step 4: Simplify right side
    211,146.46x = 35,103,948,425.76
  5. Step 5: Solve for x
    x = 35,103,948,425.76/211,146.46
  6. Step 6: Final answer
    x = 166,254.02

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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.