Home / 115,248.50-172,940.79-48,684.32

Finding the Fourth Proportional to 115,248.50, 172,940.79 and 48,684.32

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Solution

The fourth proportional to 115,248.50, 172,940.79 and 48,684.32 is: 73,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,248.50 : 172,940.79 = 48,684.32 : x
  2. Step 2: Convert to fraction form
    115,248.50/172,940.79 = 48,684.32/x
  3. Step 3: Cross multiply
    115,248.50x = 172,940.79 × 48,684.32
  4. Step 4: Simplify right side
    115,248.50x = 8,419,504,761.41
  5. Step 5: Solve for x
    x = 8,419,504,761.41/115,248.50
  6. Step 6: Final answer
    x = 73,055.22

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1.5x scale

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.