Home / 215,433.82-297,307.38-124,788.34

Finding the Fourth Proportional to 215,433.82, 297,307.38 and 124,788.34

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Solution

The fourth proportional to 215,433.82, 297,307.38 and 124,788.34 is: 172,212.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,433.82 : 297,307.38 = 124,788.34 : x
  2. Step 2: Convert to fraction form
    215,433.82/297,307.38 = 124,788.34/x
  3. Step 3: Cross multiply
    215,433.82x = 297,307.38 × 124,788.34
  4. Step 4: Simplify right side
    215,433.82x = 37,100,494,419.95
  5. Step 5: Solve for x
    x = 37,100,494,419.95/215,433.82
  6. Step 6: Final answer
    x = 172,212.95

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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.