Home / 215,584.04-297,515.18-120,090.80

Finding the Fourth Proportional to 215,584.04, 297,515.18 and 120,090.80

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Solution

The fourth proportional to 215,584.04, 297,515.18 and 120,090.80 is: 165,730.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,584.04 : 297,515.18 = 120,090.80 : x
  2. Step 2: Convert to fraction form
    215,584.04/297,515.18 = 120,090.80/x
  3. Step 3: Cross multiply
    215,584.04x = 297,515.18 × 120,090.80
  4. Step 4: Simplify right side
    215,584.04x = 35,728,835,978.34
  5. Step 5: Solve for x
    x = 35,728,835,978.34/215,584.04
  6. Step 6: Final answer
    x = 165,730.43

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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.