Home / 212,337.72-318,399.12-94,045.32

Finding the Fourth Proportional to 212,337.72, 318,399.12 and 94,045.32

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Solution

The fourth proportional to 212,337.72, 318,399.12 and 94,045.32 is: 141,020.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,337.72 : 318,399.12 = 94,045.32 : x
  2. Step 2: Convert to fraction form
    212,337.72/318,399.12 = 94,045.32/x
  3. Step 3: Cross multiply
    212,337.72x = 318,399.12 × 94,045.32
  4. Step 4: Simplify right side
    212,337.72x = 29,943,947,128.12
  5. Step 5: Solve for x
    x = 29,943,947,128.12/212,337.72
  6. Step 6: Final answer
    x = 141,020.39

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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.