Home / 215,351.47-297,182.05-119,858.20

Finding the Fourth Proportional to 215,351.47, 297,182.05 and 119,858.20

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Solution

The fourth proportional to 215,351.47, 297,182.05 and 119,858.20 is: 165,402.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,351.47 : 297,182.05 = 119,858.20 : x
  2. Step 2: Convert to fraction form
    215,351.47/297,182.05 = 119,858.20/x
  3. Step 3: Cross multiply
    215,351.47x = 297,182.05 × 119,858.20
  4. Step 4: Simplify right side
    215,351.47x = 35,619,705,585.31
  5. Step 5: Solve for x
    x = 35,619,705,585.31/215,351.47
  6. Step 6: Final answer
    x = 165,402.66

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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.