Home / 146,605.32-202,406.94-100,743.93

Finding the Fourth Proportional to 146,605.32, 202,406.94 and 100,743.93

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Solution

The fourth proportional to 146,605.32, 202,406.94 and 100,743.93 is: 139,089.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,605.32 : 202,406.94 = 100,743.93 : x
  2. Step 2: Convert to fraction form
    146,605.32/202,406.94 = 100,743.93/x
  3. Step 3: Cross multiply
    146,605.32x = 202,406.94 × 100,743.93
  4. Step 4: Simplify right side
    146,605.32x = 20,391,270,594.87
  5. Step 5: Solve for x
    x = 20,391,270,594.87/146,605.32
  6. Step 6: Final answer
    x = 139,089.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.