Home / 215,586.45-297,518.27-120,093.12

Finding the Fourth Proportional to 215,586.45, 297,518.27 and 120,093.12

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Solution

The fourth proportional to 215,586.45, 297,518.27 and 120,093.12 is: 165,733.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,586.45 : 297,518.27 = 120,093.12 : x
  2. Step 2: Convert to fraction form
    215,586.45/297,518.27 = 120,093.12/x
  3. Step 3: Cross multiply
    215,586.45x = 297,518.27 × 120,093.12
  4. Step 4: Simplify right side
    215,586.45x = 35,729,896,700.84
  5. Step 5: Solve for x
    x = 35,729,896,700.84/215,586.45
  6. Step 6: Final answer
    x = 165,733.50

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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.