Home / 137,055.36-205,531.20-53,904

Finding the Fourth Proportional to 137,055.36, 205,531.20 and 53,904

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Solution

The fourth proportional to 137,055.36, 205,531.20 and 53,904 is: 80,835.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,055.36 : 205,531.20 = 53,904 : x
  2. Step 2: Convert to fraction form
    137,055.36/205,531.20 = 53,904/x
  3. Step 3: Cross multiply
    137,055.36x = 205,531.20 × 53,904
  4. Step 4: Simplify right side
    137,055.36x = 11,078,953,804.80
  5. Step 5: Solve for x
    x = 11,078,953,804.80/137,055.36
  6. Step 6: Final answer
    x = 80,835.61

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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.