Home / 178,118.42-267,174.87-71,529.50

Finding the Fourth Proportional to 178,118.42, 267,174.87 and 71,529.50

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Solution

The fourth proportional to 178,118.42, 267,174.87 and 71,529.50 is: 107,293.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,118.42 : 267,174.87 = 71,529.50 : x
  2. Step 2: Convert to fraction form
    178,118.42/267,174.87 = 71,529.50/x
  3. Step 3: Cross multiply
    178,118.42x = 267,174.87 × 71,529.50
  4. Step 4: Simplify right side
    178,118.42x = 19,110,883,527.79
  5. Step 5: Solve for x
    x = 19,110,883,527.79/178,118.42
  6. Step 6: Final answer
    x = 107,293.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.