Home / 156,902.42-235,351.58-38,574.78

Finding the Fourth Proportional to 156,902.42, 235,351.58 and 38,574.78

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Solution

The fourth proportional to 156,902.42, 235,351.58 and 38,574.78 is: 57,861.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,902.42 : 235,351.58 = 38,574.78 : x
  2. Step 2: Convert to fraction form
    156,902.42/235,351.58 = 38,574.78/x
  3. Step 3: Cross multiply
    156,902.42x = 235,351.58 × 38,574.78
  4. Step 4: Simplify right side
    156,902.42x = 9,078,635,669.56
  5. Step 5: Solve for x
    x = 9,078,635,669.56/156,902.42
  6. Step 6: Final answer
    x = 57,861.67

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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.