Home / 140,869.05-211,285.08-69,764.01

Finding the Fourth Proportional to 140,869.05, 211,285.08 and 69,764.01

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Solution

The fourth proportional to 140,869.05, 211,285.08 and 69,764.01 is: 104,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,869.05 : 211,285.08 = 69,764.01 : x
  2. Step 2: Convert to fraction form
    140,869.05/211,285.08 = 69,764.01/x
  3. Step 3: Cross multiply
    140,869.05x = 211,285.08 × 69,764.01
  4. Step 4: Simplify right side
    140,869.05x = 14,740,094,433.97
  5. Step 5: Solve for x
    x = 14,740,094,433.97/140,869.05
  6. Step 6: Final answer
    x = 104,636.86

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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.