Home / 215,583.04-297,513.80-120,089.80

Finding the Fourth Proportional to 215,583.04, 297,513.80 and 120,089.80

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Solution

The fourth proportional to 215,583.04, 297,513.80 and 120,089.80 is: 165,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,583.04 : 297,513.80 = 120,089.80 : x
  2. Step 2: Convert to fraction form
    215,583.04/297,513.80 = 120,089.80/x
  3. Step 3: Cross multiply
    215,583.04x = 297,513.80 × 120,089.80
  4. Step 4: Simplify right side
    215,583.04x = 35,728,372,739.24
  5. Step 5: Solve for x
    x = 35,728,372,739.24/215,583.04
  6. Step 6: Final answer
    x = 165,729.05

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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.