Home / 141,981.62-212,974.25-47,211.80

Finding the Fourth Proportional to 141,981.62, 212,974.25 and 47,211.80

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Solution

The fourth proportional to 141,981.62, 212,974.25 and 47,211.80 is: 70,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,981.62 : 212,974.25 = 47,211.80 : x
  2. Step 2: Convert to fraction form
    141,981.62/212,974.25 = 47,211.80/x
  3. Step 3: Cross multiply
    141,981.62x = 212,974.25 × 47,211.80
  4. Step 4: Simplify right side
    141,981.62x = 10,054,896,395.22
  5. Step 5: Solve for x
    x = 10,054,896,395.22/141,981.62
  6. Step 6: Final answer
    x = 70,818.30

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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.