Home / 140,622.89-211,016.34-56,423.39

Finding the Fourth Proportional to 140,622.89, 211,016.34 and 56,423.39

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Solution

The fourth proportional to 140,622.89, 211,016.34 and 56,423.39 is: 84,667.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,622.89 : 211,016.34 = 56,423.39 : x
  2. Step 2: Convert to fraction form
    140,622.89/211,016.34 = 56,423.39/x
  3. Step 3: Cross multiply
    140,622.89x = 211,016.34 × 56,423.39
  4. Step 4: Simplify right side
    140,622.89x = 11,906,256,193.11
  5. Step 5: Solve for x
    x = 11,906,256,193.11/140,622.89
  6. Step 6: Final answer
    x = 84,667.98

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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.