Home / 99,530.75-149,296.13-25,658.75

Finding the Fourth Proportional to 99,530.75, 149,296.13 and 25,658.75

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Solution

The fourth proportional to 99,530.75, 149,296.13 and 25,658.75 is: 38,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,530.75 : 149,296.13 = 25,658.75 : x
  2. Step 2: Convert to fraction form
    99,530.75/149,296.13 = 25,658.75/x
  3. Step 3: Cross multiply
    99,530.75x = 149,296.13 × 25,658.75
  4. Step 4: Simplify right side
    99,530.75x = 3,830,752,075.64
  5. Step 5: Solve for x
    x = 3,830,752,075.64/99,530.75
  6. Step 6: Final answer
    x = 38,488.13

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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.