Home / 100,019.56-149,951.46-50,073.92

Finding the Fourth Proportional to 100,019.56, 149,951.46 and 50,073.92

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Solution

The fourth proportional to 100,019.56, 149,951.46 and 50,073.92 is: 75,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,019.56 : 149,951.46 = 50,073.92 : x
  2. Step 2: Convert to fraction form
    100,019.56/149,951.46 = 50,073.92/x
  3. Step 3: Cross multiply
    100,019.56x = 149,951.46 × 50,073.92
  4. Step 4: Simplify right side
    100,019.56x = 7,508,657,411.92
  5. Step 5: Solve for x
    x = 7,508,657,411.92/100,019.56
  6. Step 6: Final answer
    x = 75,071.89

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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.