Home / 100,869.27-151,314.84-37,719.63

Finding the Fourth Proportional to 100,869.27, 151,314.84 and 37,719.63

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Solution

The fourth proportional to 100,869.27, 151,314.84 and 37,719.63 is: 56,583.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,869.27 : 151,314.84 = 37,719.63 : x
  2. Step 2: Convert to fraction form
    100,869.27/151,314.84 = 37,719.63/x
  3. Step 3: Cross multiply
    100,869.27x = 151,314.84 × 37,719.63
  4. Step 4: Simplify right side
    100,869.27x = 5,707,539,778.31
  5. Step 5: Solve for x
    x = 5,707,539,778.31/100,869.27
  6. Step 6: Final answer
    x = 56,583.53

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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.