Home / 137,019.30-205,504.70-37,187.27

Finding the Fourth Proportional to 137,019.30, 205,504.70 and 37,187.27

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Solution

The fourth proportional to 137,019.30, 205,504.70 and 37,187.27 is: 55,774.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,019.30 : 205,504.70 = 37,187.27 : x
  2. Step 2: Convert to fraction form
    137,019.30/205,504.70 = 37,187.27/x
  3. Step 3: Cross multiply
    137,019.30x = 205,504.70 × 37,187.27
  4. Step 4: Simplify right side
    137,019.30x = 7,642,158,322.35
  5. Step 5: Solve for x
    x = 7,642,158,322.35/137,019.30
  6. Step 6: Final answer
    x = 55,774.32

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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.