Home / 156,707.28-235,011-51,501.96

Finding the Fourth Proportional to 156,707.28, 235,011 and 51,501.96

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Solution

The fourth proportional to 156,707.28, 235,011 and 51,501.96 is: 77,236.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,707.28 : 235,011 = 51,501.96 : x
  2. Step 2: Convert to fraction form
    156,707.28/235,011 = 51,501.96/x
  3. Step 3: Cross multiply
    156,707.28x = 235,011 × 51,501.96
  4. Step 4: Simplify right side
    156,707.28x = 12,103,527,121.56
  5. Step 5: Solve for x
    x = 12,103,527,121.56/156,707.28
  6. Step 6: Final answer
    x = 77,236.53

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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.