Home / 218,182.88-301,090.40-122,690.26

Finding the Fourth Proportional to 218,182.88, 301,090.40 and 122,690.26

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Solution

The fourth proportional to 218,182.88, 301,090.40 and 122,690.26 is: 169,311.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,182.88 : 301,090.40 = 122,690.26 : x
  2. Step 2: Convert to fraction form
    218,182.88/301,090.40 = 122,690.26/x
  3. Step 3: Cross multiply
    218,182.88x = 301,090.40 × 122,690.26
  4. Step 4: Simplify right side
    218,182.88x = 36,940,859,013.50
  5. Step 5: Solve for x
    x = 36,940,859,013.50/218,182.88
  6. Step 6: Final answer
    x = 169,311.44

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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.