Home / 211,026.54-291,244.36-120,361.72

Finding the Fourth Proportional to 211,026.54, 291,244.36 and 120,361.72

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Solution

The fourth proportional to 211,026.54, 291,244.36 and 120,361.72 is: 166,114.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,026.54 : 291,244.36 = 120,361.72 : x
  2. Step 2: Convert to fraction form
    211,026.54/291,244.36 = 120,361.72/x
  3. Step 3: Cross multiply
    211,026.54x = 291,244.36 × 120,361.72
  4. Step 4: Simplify right side
    211,026.54x = 35,054,672,671.77
  5. Step 5: Solve for x
    x = 35,054,672,671.77/211,026.54
  6. Step 6: Final answer
    x = 166,114.99

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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.