Home / 121,813.13-182,751.15-37,571.39

Finding the Fourth Proportional to 121,813.13, 182,751.15 and 37,571.39

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Solution

The fourth proportional to 121,813.13, 182,751.15 and 37,571.39 is: 56,366.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,813.13 : 182,751.15 = 37,571.39 : x
  2. Step 2: Convert to fraction form
    121,813.13/182,751.15 = 37,571.39/x
  3. Step 3: Cross multiply
    121,813.13x = 182,751.15 × 37,571.39
  4. Step 4: Simplify right side
    121,813.13x = 6,866,214,729.60
  5. Step 5: Solve for x
    x = 6,866,214,729.60/121,813.13
  6. Step 6: Final answer
    x = 56,366.79

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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.