Home / 137,021.13-205,407.14-52,727.54

Finding the Fourth Proportional to 137,021.13, 205,407.14 and 52,727.54

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Solution

The fourth proportional to 137,021.13, 205,407.14 and 52,727.54 is: 79,043.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,021.13 : 205,407.14 = 52,727.54 : x
  2. Step 2: Convert to fraction form
    137,021.13/205,407.14 = 52,727.54/x
  3. Step 3: Cross multiply
    137,021.13x = 205,407.14 × 52,727.54
  4. Step 4: Simplify right side
    137,021.13x = 10,830,611,899.96
  5. Step 5: Solve for x
    x = 10,830,611,899.96/137,021.13
  6. Step 6: Final answer
    x = 79,043.37

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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.