Home / 215,837.60-297,859.20-120,341.12

Finding the Fourth Proportional to 215,837.60, 297,859.20 and 120,341.12

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Solution

The fourth proportional to 215,837.60, 297,859.20 and 120,341.12 is: 166,072.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,837.60 : 297,859.20 = 120,341.12 : x
  2. Step 2: Convert to fraction form
    215,837.60/297,859.20 = 120,341.12/x
  3. Step 3: Cross multiply
    215,837.60x = 297,859.20 × 120,341.12
  4. Step 4: Simplify right side
    215,837.60x = 35,844,709,730.30
  5. Step 5: Solve for x
    x = 35,844,709,730.30/215,837.60
  6. Step 6: Final answer
    x = 166,072.59

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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.