Home / 134,813.78-202,155.24-71,664.20

Finding the Fourth Proportional to 134,813.78, 202,155.24 and 71,664.20

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Solution

The fourth proportional to 134,813.78, 202,155.24 and 71,664.20 is: 107,461.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,813.78 : 202,155.24 = 71,664.20 : x
  2. Step 2: Convert to fraction form
    134,813.78/202,155.24 = 71,664.20/x
  3. Step 3: Cross multiply
    134,813.78x = 202,155.24 × 71,664.20
  4. Step 4: Simplify right side
    134,813.78x = 14,487,293,550.41
  5. Step 5: Solve for x
    x = 14,487,293,550.41/134,813.78
  6. Step 6: Final answer
    x = 107,461.52

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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.