Home / 99,726.26-149,645.25-52,977.92

Finding the Fourth Proportional to 99,726.26, 149,645.25 and 52,977.92

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Solution

The fourth proportional to 99,726.26, 149,645.25 and 52,977.92 is: 79,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,726.26 : 149,645.25 = 52,977.92 : x
  2. Step 2: Convert to fraction form
    99,726.26/149,645.25 = 52,977.92/x
  3. Step 3: Cross multiply
    99,726.26x = 149,645.25 × 52,977.92
  4. Step 4: Simplify right side
    99,726.26x = 7,927,893,334.65
  5. Step 5: Solve for x
    x = 7,927,893,334.65/99,726.26
  6. Step 6: Final answer
    x = 79,496.55

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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.