Home / 120,414.46-166,156.20-69,429.10

Finding the Fourth Proportional to 120,414.46, 166,156.20 and 69,429.10

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Solution

The fourth proportional to 120,414.46, 166,156.20 and 69,429.10 is: 95,803.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,414.46 : 166,156.20 = 69,429.10 : x
  2. Step 2: Convert to fraction form
    120,414.46/166,156.20 = 69,429.10/x
  3. Step 3: Cross multiply
    120,414.46x = 166,156.20 × 69,429.10
  4. Step 4: Simplify right side
    120,414.46x = 11,536,075,425.42
  5. Step 5: Solve for x
    x = 11,536,075,425.42/120,414.46
  6. Step 6: Final answer
    x = 95,803.07

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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.