Home / 212,894.03-318,953.52-123,877.67

Finding the Fourth Proportional to 212,894.03, 318,953.52 and 123,877.67

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Solution

The fourth proportional to 212,894.03, 318,953.52 and 123,877.67 is: 185,591.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,894.03 : 318,953.52 = 123,877.67 : x
  2. Step 2: Convert to fraction form
    212,894.03/318,953.52 = 123,877.67/x
  3. Step 3: Cross multiply
    212,894.03x = 318,953.52 × 123,877.67
  4. Step 4: Simplify right side
    212,894.03x = 39,511,217,301.13
  5. Step 5: Solve for x
    x = 39,511,217,301.13/212,894.03
  6. Step 6: Final answer
    x = 185,591.01

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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.