Home / 99,163.51-148,726.15-28,085.60

Finding the Fourth Proportional to 99,163.51, 148,726.15 and 28,085.60

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Solution

The fourth proportional to 99,163.51, 148,726.15 and 28,085.60 is: 42,122.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,163.51 : 148,726.15 = 28,085.60 : x
  2. Step 2: Convert to fraction form
    99,163.51/148,726.15 = 28,085.60/x
  3. Step 3: Cross multiply
    99,163.51x = 148,726.15 × 28,085.60
  4. Step 4: Simplify right side
    99,163.51x = 4,177,063,158.44
  5. Step 5: Solve for x
    x = 4,177,063,158.44/99,163.51
  6. Step 6: Final answer
    x = 42,122.99

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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.