Home / 145,324.30-217,897.25-56,474.05

Finding the Fourth Proportional to 145,324.30, 217,897.25 and 56,474.05

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Solution

The fourth proportional to 145,324.30, 217,897.25 and 56,474.05 is: 84,676.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,324.30 : 217,897.25 = 56,474.05 : x
  2. Step 2: Convert to fraction form
    145,324.30/217,897.25 = 56,474.05/x
  3. Step 3: Cross multiply
    145,324.30x = 217,897.25 × 56,474.05
  4. Step 4: Simplify right side
    145,324.30x = 12,305,540,191.36
  5. Step 5: Solve for x
    x = 12,305,540,191.36/145,324.30
  6. Step 6: Final answer
    x = 84,676.41

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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.