Home / 215,587.45-297,519.65-120,094.12

Finding the Fourth Proportional to 215,587.45, 297,519.65 and 120,094.12

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Solution

The fourth proportional to 215,587.45, 297,519.65 and 120,094.12 is: 165,734.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,587.45 : 297,519.65 = 120,094.12 : x
  2. Step 2: Convert to fraction form
    215,587.45/297,519.65 = 120,094.12/x
  3. Step 3: Cross multiply
    215,587.45x = 297,519.65 × 120,094.12
  4. Step 4: Simplify right side
    215,587.45x = 35,730,360,549.46
  5. Step 5: Solve for x
    x = 35,730,360,549.46/215,587.45
  6. Step 6: Final answer
    x = 165,734.88

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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.