Home / 215,525.42-297,434.31-120,032.12

Finding the Fourth Proportional to 215,525.42, 297,434.31 and 120,032.12

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Solution

The fourth proportional to 215,525.42, 297,434.31 and 120,032.12 is: 165,649.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,525.42 : 297,434.31 = 120,032.12 : x
  2. Step 2: Convert to fraction form
    215,525.42/297,434.31 = 120,032.12/x
  3. Step 3: Cross multiply
    215,525.42x = 297,434.31 × 120,032.12
  4. Step 4: Simplify right side
    215,525.42x = 35,701,669,002.79
  5. Step 5: Solve for x
    x = 35,701,669,002.79/215,525.42
  6. Step 6: Final answer
    x = 165,649.46

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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.