Home / 140,769.28-211,128.40-56,526.04

Finding the Fourth Proportional to 140,769.28, 211,128.40 and 56,526.04

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Solution

The fourth proportional to 140,769.28, 211,128.40 and 56,526.04 is: 84,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,769.28 : 211,128.40 = 56,526.04 : x
  2. Step 2: Convert to fraction form
    140,769.28/211,128.40 = 56,526.04/x
  3. Step 3: Cross multiply
    140,769.28x = 211,128.40 × 56,526.04
  4. Step 4: Simplify right side
    140,769.28x = 11,934,252,383.54
  5. Step 5: Solve for x
    x = 11,934,252,383.54/140,769.28
  6. Step 6: Final answer
    x = 84,778.81

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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.