Home / 99,530.25-149,295.38-25,658.25

Finding the Fourth Proportional to 99,530.25, 149,295.38 and 25,658.25

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Solution

The fourth proportional to 99,530.25, 149,295.38 and 25,658.25 is: 38,487.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,530.25 : 149,295.38 = 25,658.25 : x
  2. Step 2: Convert to fraction form
    99,530.25/149,295.38 = 25,658.25/x
  3. Step 3: Cross multiply
    99,530.25x = 149,295.38 × 25,658.25
  4. Step 4: Simplify right side
    99,530.25x = 3,830,658,055.59
  5. Step 5: Solve for x
    x = 3,830,658,055.59/99,530.25
  6. Step 6: Final answer
    x = 38,487.38

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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.