Home / 156,731.45-235,132.64-51,551.33

Finding the Fourth Proportional to 156,731.45, 235,132.64 and 51,551.33

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Solution

The fourth proportional to 156,731.45, 235,132.64 and 51,551.33 is: 77,338.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,731.45 : 235,132.64 = 51,551.33 : x
  2. Step 2: Convert to fraction form
    156,731.45/235,132.64 = 51,551.33/x
  3. Step 3: Cross multiply
    156,731.45x = 235,132.64 × 51,551.33
  4. Step 4: Simplify right side
    156,731.45x = 12,121,400,318.41
  5. Step 5: Solve for x
    x = 12,121,400,318.41/156,731.45
  6. Step 6: Final answer
    x = 77,338.66

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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.