Home / 145,608.10-218,325.96-56,757.88

Finding the Fourth Proportional to 145,608.10, 218,325.96 and 56,757.88

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Solution

The fourth proportional to 145,608.10, 218,325.96 and 56,757.88 is: 85,103.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,608.10 : 218,325.96 = 56,757.88 : x
  2. Step 2: Convert to fraction form
    145,608.10/218,325.96 = 56,757.88/x
  3. Step 3: Cross multiply
    145,608.10x = 218,325.96 × 56,757.88
  4. Step 4: Simplify right side
    145,608.10x = 12,391,718,638.56
  5. Step 5: Solve for x
    x = 12,391,718,638.56/145,608.10
  6. Step 6: Final answer
    x = 85,103.22

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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.