Home / 211,259.46-291,546.10-120,630.18

Finding the Fourth Proportional to 211,259.46, 291,546.10 and 120,630.18

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Solution

The fourth proportional to 211,259.46, 291,546.10 and 120,630.18 is: 166,474.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,259.46 : 291,546.10 = 120,630.18 : x
  2. Step 2: Convert to fraction form
    211,259.46/291,546.10 = 120,630.18/x
  3. Step 3: Cross multiply
    211,259.46x = 291,546.10 × 120,630.18
  4. Step 4: Simplify right side
    211,259.46x = 35,169,258,521.30
  5. Step 5: Solve for x
    x = 35,169,258,521.30/211,259.46
  6. Step 6: Final answer
    x = 166,474.24

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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.