Home / 215,679.58-297,638.15-120,184.22

Finding the Fourth Proportional to 215,679.58, 297,638.15 and 120,184.22

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Solution

The fourth proportional to 215,679.58, 297,638.15 and 120,184.22 is: 165,854.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,679.58 : 297,638.15 = 120,184.22 : x
  2. Step 2: Convert to fraction form
    215,679.58/297,638.15 = 120,184.22/x
  3. Step 3: Cross multiply
    215,679.58x = 297,638.15 × 120,184.22
  4. Step 4: Simplify right side
    215,679.58x = 35,771,409,043.17
  5. Step 5: Solve for x
    x = 35,771,409,043.17/215,679.58
  6. Step 6: Final answer
    x = 165,854.41

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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.