Home / 103,039.20-154,558.80-94,509.90

Finding the Fourth Proportional to 103,039.20, 154,558.80 and 94,509.90

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Solution

The fourth proportional to 103,039.20, 154,558.80 and 94,509.90 is: 141,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,039.20 : 154,558.80 = 94,509.90 : x
  2. Step 2: Convert to fraction form
    103,039.20/154,558.80 = 94,509.90/x
  3. Step 3: Cross multiply
    103,039.20x = 154,558.80 × 94,509.90
  4. Step 4: Simplify right side
    103,039.20x = 14,607,336,732.12
  5. Step 5: Solve for x
    x = 14,607,336,732.12/103,039.20
  6. Step 6: Final answer
    x = 141,764.85

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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.