Home / 140,403.07-210,563-40,564.16

Finding the Fourth Proportional to 140,403.07, 210,563 and 40,564.16

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Solution

The fourth proportional to 140,403.07, 210,563 and 40,564.16 is: 60,834.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,403.07 : 210,563 = 40,564.16 : x
  2. Step 2: Convert to fraction form
    140,403.07/210,563 = 40,564.16/x
  3. Step 3: Cross multiply
    140,403.07x = 210,563 × 40,564.16
  4. Step 4: Simplify right side
    140,403.07x = 8,541,310,169.27
  5. Step 5: Solve for x
    x = 8,541,310,169.27/140,403.07
  6. Step 6: Final answer
    x = 60,834.21

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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.