Home / 215,488.90-297,385.32-119,993.59

Finding the Fourth Proportional to 215,488.90, 297,385.32 and 119,993.59

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Solution

The fourth proportional to 215,488.90, 297,385.32 and 119,993.59 is: 165,597.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,488.90 : 297,385.32 = 119,993.59 : x
  2. Step 2: Convert to fraction form
    215,488.90/297,385.32 = 119,993.59/x
  3. Step 3: Cross multiply
    215,488.90x = 297,385.32 × 119,993.59
  4. Step 4: Simplify right side
    215,488.90x = 35,684,332,160.10
  5. Step 5: Solve for x
    x = 35,684,332,160.10/215,488.90
  6. Step 6: Final answer
    x = 165,597.08

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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.