Home / 211,267.46-291,557.14-120,638.18

Finding the Fourth Proportional to 211,267.46, 291,557.14 and 120,638.18

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Solution

The fourth proportional to 211,267.46, 291,557.14 and 120,638.18 is: 166,485.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,267.46 : 291,557.14 = 120,638.18 : x
  2. Step 2: Convert to fraction form
    211,267.46/291,557.14 = 120,638.18/x
  3. Step 3: Cross multiply
    211,267.46x = 291,557.14 × 120,638.18
  4. Step 4: Simplify right side
    211,267.46x = 35,172,922,735.61
  5. Step 5: Solve for x
    x = 35,172,922,735.61/211,267.46
  6. Step 6: Final answer
    x = 166,485.28

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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.