Home / 206,748.93-310,144.85-56,989.25

Finding the Fourth Proportional to 206,748.93, 310,144.85 and 56,989.25

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Solution

The fourth proportional to 206,748.93, 310,144.85 and 56,989.25 is: 85,489.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,748.93 : 310,144.85 = 56,989.25 : x
  2. Step 2: Convert to fraction form
    206,748.93/310,144.85 = 56,989.25/x
  3. Step 3: Cross multiply
    206,748.93x = 310,144.85 × 56,989.25
  4. Step 4: Simplify right side
    206,748.93x = 17,674,920,557.19
  5. Step 5: Solve for x
    x = 17,674,920,557.19/206,748.93
  6. Step 6: Final answer
    x = 85,489.78

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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.