Home / 215,697.33-297,670.95-120,203.19

Finding the Fourth Proportional to 215,697.33, 297,670.95 and 120,203.19

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Solution

The fourth proportional to 215,697.33, 297,670.95 and 120,203.19 is: 165,885.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,697.33 : 297,670.95 = 120,203.19 : x
  2. Step 2: Convert to fraction form
    215,697.33/297,670.95 = 120,203.19/x
  3. Step 3: Cross multiply
    215,697.33x = 297,670.95 × 120,203.19
  4. Step 4: Simplify right side
    215,697.33x = 35,780,997,760.33
  5. Step 5: Solve for x
    x = 35,780,997,760.33/215,697.33
  6. Step 6: Final answer
    x = 165,885.21

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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.