Home / 212,167.16-318,402.74-77,230.94

Finding the Fourth Proportional to 212,167.16, 318,402.74 and 77,230.94

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Solution

The fourth proportional to 212,167.16, 318,402.74 and 77,230.94 is: 115,901.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,167.16 : 318,402.74 = 77,230.94 : x
  2. Step 2: Convert to fraction form
    212,167.16/318,402.74 = 77,230.94/x
  3. Step 3: Cross multiply
    212,167.16x = 318,402.74 × 77,230.94
  4. Step 4: Simplify right side
    212,167.16x = 24,590,540,930.61
  5. Step 5: Solve for x
    x = 24,590,540,930.61/212,167.16
  6. Step 6: Final answer
    x = 115,901.73

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1.5x scale

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.