Home / 140,352.93-210,542.69-39,157.71

Finding the Fourth Proportional to 140,352.93, 210,542.69 and 39,157.71

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Solution

The fourth proportional to 140,352.93, 210,542.69 and 39,157.71 is: 58,740.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,352.93 : 210,542.69 = 39,157.71 : x
  2. Step 2: Convert to fraction form
    140,352.93/210,542.69 = 39,157.71/x
  3. Step 3: Cross multiply
    140,352.93x = 210,542.69 × 39,157.71
  4. Step 4: Simplify right side
    140,352.93x = 8,244,369,401.85
  5. Step 5: Solve for x
    x = 8,244,369,401.85/140,352.93
  6. Step 6: Final answer
    x = 58,740.27

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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.