Home / 215,524.32-297,432.77-120,031.01

Finding the Fourth Proportional to 215,524.32, 297,432.77 and 120,031.01

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Solution

The fourth proportional to 215,524.32, 297,432.77 and 120,031.01 is: 165,647.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,524.32 : 297,432.77 = 120,031.01 : x
  2. Step 2: Convert to fraction form
    215,524.32/297,432.77 = 120,031.01/x
  3. Step 3: Cross multiply
    215,524.32x = 297,432.77 × 120,031.01
  4. Step 4: Simplify right side
    215,524.32x = 35,701,155,790.20
  5. Step 5: Solve for x
    x = 35,701,155,790.20/215,524.32
  6. Step 6: Final answer
    x = 165,647.92

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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.