Home / 103,131.41-154,697.23-28,252.19

Finding the Fourth Proportional to 103,131.41, 154,697.23 and 28,252.19

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Solution

The fourth proportional to 103,131.41, 154,697.23 and 28,252.19 is: 42,378.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,131.41 : 154,697.23 = 28,252.19 : x
  2. Step 2: Convert to fraction form
    103,131.41/154,697.23 = 28,252.19/x
  3. Step 3: Cross multiply
    103,131.41x = 154,697.23 × 28,252.19
  4. Step 4: Simplify right side
    103,131.41x = 4,370,535,956.49
  5. Step 5: Solve for x
    x = 4,370,535,956.49/103,131.41
  6. Step 6: Final answer
    x = 42,378.32

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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.