Home / 148,907.40-223,361.10-139,065.90

Finding the Fourth Proportional to 148,907.40, 223,361.10 and 139,065.90

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Solution

The fourth proportional to 148,907.40, 223,361.10 and 139,065.90 is: 208,598.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,907.40 : 223,361.10 = 139,065.90 : x
  2. Step 2: Convert to fraction form
    148,907.40/223,361.10 = 139,065.90/x
  3. Step 3: Cross multiply
    148,907.40x = 223,361.10 × 139,065.90
  4. Step 4: Simplify right side
    148,907.40x = 31,061,912,396.49
  5. Step 5: Solve for x
    x = 31,061,912,396.49/148,907.40
  6. Step 6: Final answer
    x = 208,598.85

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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.