Home / 103,003.86-154,563.20-55,617.95

Finding the Fourth Proportional to 103,003.86, 154,563.20 and 55,617.95

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Solution

The fourth proportional to 103,003.86, 154,563.20 and 55,617.95 is: 83,457.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,003.86 : 154,563.20 = 55,617.95 : x
  2. Step 2: Convert to fraction form
    103,003.86/154,563.20 = 55,617.95/x
  3. Step 3: Cross multiply
    103,003.86x = 154,563.20 × 55,617.95
  4. Step 4: Simplify right side
    103,003.86x = 8,596,488,329.44
  5. Step 5: Solve for x
    x = 8,596,488,329.44/103,003.86
  6. Step 6: Final answer
    x = 83,457.92

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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.