Home / 140,839.68-210,949.92-133,075.92

Finding the Fourth Proportional to 140,839.68, 210,949.92 and 133,075.92

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Solution

The fourth proportional to 140,839.68, 210,949.92 and 133,075.92 is: 199,321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,839.68 : 210,949.92 = 133,075.92 : x
  2. Step 2: Convert to fraction form
    140,839.68/210,949.92 = 133,075.92/x
  3. Step 3: Cross multiply
    140,839.68x = 210,949.92 × 133,075.92
  4. Step 4: Simplify right side
    140,839.68x = 28,072,354,677.93
  5. Step 5: Solve for x
    x = 28,072,354,677.93/140,839.68
  6. Step 6: Final answer
    x = 199,321.35

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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.