Home / 215,338.90-297,164.72-119,845.58

Finding the Fourth Proportional to 215,338.90, 297,164.72 and 119,845.58

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Solution

The fourth proportional to 215,338.90, 297,164.72 and 119,845.58 is: 165,385.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,338.90 : 297,164.72 = 119,845.58 : x
  2. Step 2: Convert to fraction form
    215,338.90/297,164.72 = 119,845.58/x
  3. Step 3: Cross multiply
    215,338.90x = 297,164.72 × 119,845.58
  4. Step 4: Simplify right side
    215,338.90x = 35,613,878,223.94
  5. Step 5: Solve for x
    x = 35,613,878,223.94/215,338.90
  6. Step 6: Final answer
    x = 165,385.25

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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.