Home / 100,139.85-150,261.54-44,019.36

Finding the Fourth Proportional to 100,139.85, 150,261.54 and 44,019.36

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Solution

The fourth proportional to 100,139.85, 150,261.54 and 44,019.36 is: 66,051.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,139.85 : 150,261.54 = 44,019.36 : x
  2. Step 2: Convert to fraction form
    100,139.85/150,261.54 = 44,019.36/x
  3. Step 3: Cross multiply
    100,139.85x = 150,261.54 × 44,019.36
  4. Step 4: Simplify right side
    100,139.85x = 6,614,416,823.41
  5. Step 5: Solve for x
    x = 6,614,416,823.41/100,139.85
  6. Step 6: Final answer
    x = 66,051.79

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1.5x scale

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.