Home / 112,540.41-155,232.45-72,190.26

Finding the Fourth Proportional to 112,540.41, 155,232.45 and 72,190.26

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Solution

The fourth proportional to 112,540.41, 155,232.45 and 72,190.26 is: 99,575.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,540.41 : 155,232.45 = 72,190.26 : x
  2. Step 2: Convert to fraction form
    112,540.41/155,232.45 = 72,190.26/x
  3. Step 3: Cross multiply
    112,540.41x = 155,232.45 × 72,190.26
  4. Step 4: Simplify right side
    112,540.41x = 11,206,270,925.94
  5. Step 5: Solve for x
    x = 11,206,270,925.94/112,540.41
  6. Step 6: Final answer
    x = 99,575.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.