Home / 215,575.54-297,503.45-120,082.30

Finding the Fourth Proportional to 215,575.54, 297,503.45 and 120,082.30

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Solution

The fourth proportional to 215,575.54, 297,503.45 and 120,082.30 is: 165,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,575.54 : 297,503.45 = 120,082.30 : x
  2. Step 2: Convert to fraction form
    215,575.54/297,503.45 = 120,082.30/x
  3. Step 3: Cross multiply
    215,575.54x = 297,503.45 × 120,082.30
  4. Step 4: Simplify right side
    215,575.54x = 35,724,898,533.94
  5. Step 5: Solve for x
    x = 35,724,898,533.94/215,575.54
  6. Step 6: Final answer
    x = 165,718.70

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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.