Home / 124,965.48-187,403.94-40,702.80

Finding the Fourth Proportional to 124,965.48, 187,403.94 and 40,702.80

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Solution

The fourth proportional to 124,965.48, 187,403.94 and 40,702.80 is: 61,039.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,965.48 : 187,403.94 = 40,702.80 : x
  2. Step 2: Convert to fraction form
    124,965.48/187,403.94 = 40,702.80/x
  3. Step 3: Cross multiply
    124,965.48x = 187,403.94 × 40,702.80
  4. Step 4: Simplify right side
    124,965.48x = 7,627,865,089.03
  5. Step 5: Solve for x
    x = 7,627,865,089.03/124,965.48
  6. Step 6: Final answer
    x = 61,039.78

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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.