Home / 140,744.05-211,092.28-39,518.89

Finding the Fourth Proportional to 140,744.05, 211,092.28 and 39,518.89

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Solution

The fourth proportional to 140,744.05, 211,092.28 and 39,518.89 is: 59,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,744.05 : 211,092.28 = 39,518.89 : x
  2. Step 2: Convert to fraction form
    140,744.05/211,092.28 = 39,518.89/x
  3. Step 3: Cross multiply
    140,744.05x = 211,092.28 × 39,518.89
  4. Step 4: Simplify right side
    140,744.05x = 8,342,131,966.64
  5. Step 5: Solve for x
    x = 8,342,131,966.64/140,744.05
  6. Step 6: Final answer
    x = 59,271.65

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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.