Home / 99,270.53-148,907.31-31,815.24

Finding the Fourth Proportional to 99,270.53, 148,907.31 and 31,815.24

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Solution

The fourth proportional to 99,270.53, 148,907.31 and 31,815.24 is: 47,723.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,270.53 : 148,907.31 = 31,815.24 : x
  2. Step 2: Convert to fraction form
    99,270.53/148,907.31 = 31,815.24/x
  3. Step 3: Cross multiply
    99,270.53x = 148,907.31 × 31,815.24
  4. Step 4: Simplify right side
    99,270.53x = 4,737,521,805.40
  5. Step 5: Solve for x
    x = 4,737,521,805.40/99,270.53
  6. Step 6: Final answer
    x = 47,723.35

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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.