Home / 103,669.57-155,496.97-40,477.86

Finding the Fourth Proportional to 103,669.57, 155,496.97 and 40,477.86

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Solution

The fourth proportional to 103,669.57, 155,496.97 and 40,477.86 is: 60,713.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,669.57 : 155,496.97 = 40,477.86 : x
  2. Step 2: Convert to fraction form
    103,669.57/155,496.97 = 40,477.86/x
  3. Step 3: Cross multiply
    103,669.57x = 155,496.97 × 40,477.86
  4. Step 4: Simplify right side
    103,669.57x = 6,294,184,582.08
  5. Step 5: Solve for x
    x = 6,294,184,582.08/103,669.57
  6. Step 6: Final answer
    x = 60,713.91

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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.