Home / 145,110.89-217,536.49-56,343.30

Finding the Fourth Proportional to 145,110.89, 217,536.49 and 56,343.30

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Solution

The fourth proportional to 145,110.89, 217,536.49 and 56,343.30 is: 84,464.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,110.89 : 217,536.49 = 56,343.30 : x
  2. Step 2: Convert to fraction form
    145,110.89/217,536.49 = 56,343.30/x
  3. Step 3: Cross multiply
    145,110.89x = 217,536.49 × 56,343.30
  4. Step 4: Simplify right side
    145,110.89x = 12,256,722,654.75
  5. Step 5: Solve for x
    x = 12,256,722,654.75/145,110.89
  6. Step 6: Final answer
    x = 84,464.53

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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.