Home / 215,511.77-297,384.95-120,027.35

Finding the Fourth Proportional to 215,511.77, 297,384.95 and 120,027.35

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Solution

The fourth proportional to 215,511.77, 297,384.95 and 120,027.35 is: 165,625.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,511.77 : 297,384.95 = 120,027.35 : x
  2. Step 2: Convert to fraction form
    215,511.77/297,384.95 = 120,027.35/x
  3. Step 3: Cross multiply
    215,511.77x = 297,384.95 × 120,027.35
  4. Step 4: Simplify right side
    215,511.77x = 35,694,326,734.92
  5. Step 5: Solve for x
    x = 35,694,326,734.92/215,511.77
  6. Step 6: Final answer
    x = 165,625.88

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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.