Home / 215,509.58-297,381.93-120,025.16

Finding the Fourth Proportional to 215,509.58, 297,381.93 and 120,025.16

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Solution

The fourth proportional to 215,509.58, 297,381.93 and 120,025.16 is: 165,622.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,509.58 : 297,381.93 = 120,025.16 : x
  2. Step 2: Convert to fraction form
    215,509.58/297,381.93 = 120,025.16/x
  3. Step 3: Cross multiply
    215,509.58x = 297,381.93 × 120,025.16
  4. Step 4: Simplify right side
    215,509.58x = 35,693,313,582.68
  5. Step 5: Solve for x
    x = 35,693,313,582.68/215,509.58
  6. Step 6: Final answer
    x = 165,622.86

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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.