Home / 218,020.04-300,874.47-131,994.80

Finding the Fourth Proportional to 218,020.04, 300,874.47 and 131,994.80

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Solution

The fourth proportional to 218,020.04, 300,874.47 and 131,994.80 is: 182,156.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,020.04 : 300,874.47 = 131,994.80 : x
  2. Step 2: Convert to fraction form
    218,020.04/300,874.47 = 131,994.80/x
  3. Step 3: Cross multiply
    218,020.04x = 300,874.47 × 131,994.80
  4. Step 4: Simplify right side
    218,020.04x = 39,713,863,988.38
  5. Step 5: Solve for x
    x = 39,713,863,988.38/218,020.04
  6. Step 6: Final answer
    x = 182,156.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.