Home / 121,989.93-182,912.61-37,725.15

Finding the Fourth Proportional to 121,989.93, 182,912.61 and 37,725.15

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Solution

The fourth proportional to 121,989.93, 182,912.61 and 37,725.15 is: 56,565.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,989.93 : 182,912.61 = 37,725.15 : x
  2. Step 2: Convert to fraction form
    121,989.93/182,912.61 = 37,725.15/x
  3. Step 3: Cross multiply
    121,989.93x = 182,912.61 × 37,725.15
  4. Step 4: Simplify right side
    121,989.93x = 6,900,405,649.14
  5. Step 5: Solve for x
    x = 6,900,405,649.14/121,989.93
  6. Step 6: Final answer
    x = 56,565.37

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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.