Home / 215,981.26-298,053.23-120,488.04

Finding the Fourth Proportional to 215,981.26, 298,053.23 and 120,488.04

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Solution

The fourth proportional to 215,981.26, 298,053.23 and 120,488.04 is: 166,272.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,981.26 : 298,053.23 = 120,488.04 : x
  2. Step 2: Convert to fraction form
    215,981.26/298,053.23 = 120,488.04/x
  3. Step 3: Cross multiply
    215,981.26x = 298,053.23 × 120,488.04
  4. Step 4: Simplify right side
    215,981.26x = 35,911,848,895.93
  5. Step 5: Solve for x
    x = 35,911,848,895.93/215,981.26
  6. Step 6: Final answer
    x = 166,272.99

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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.