Home / 123,438.74-185,232.02-113,400.41

Finding the Fourth Proportional to 123,438.74, 185,232.02 and 113,400.41

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Solution

The fourth proportional to 123,438.74, 185,232.02 and 113,400.41 is: 170,168.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,438.74 : 185,232.02 = 113,400.41 : x
  2. Step 2: Convert to fraction form
    123,438.74/185,232.02 = 113,400.41/x
  3. Step 3: Cross multiply
    123,438.74x = 185,232.02 × 113,400.41
  4. Step 4: Simplify right side
    123,438.74x = 21,005,385,519.97
  5. Step 5: Solve for x
    x = 21,005,385,519.97/123,438.74
  6. Step 6: Final answer
    x = 170,168.51

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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.