Home / 156,739.19-235,117.67-50,132.51

Finding the Fourth Proportional to 156,739.19, 235,117.67 and 50,132.51

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Solution

The fourth proportional to 156,739.19, 235,117.67 and 50,132.51 is: 75,201.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,739.19 : 235,117.67 = 50,132.51 : x
  2. Step 2: Convert to fraction form
    156,739.19/235,117.67 = 50,132.51/x
  3. Step 3: Cross multiply
    156,739.19x = 235,117.67 × 50,132.51
  4. Step 4: Simplify right side
    156,739.19x = 11,787,038,942.45
  5. Step 5: Solve for x
    x = 11,787,038,942.45/156,739.19
  6. Step 6: Final answer
    x = 75,201.61

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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.