Home / 100,267.36-150,226.08-89,419.84

Finding the Fourth Proportional to 100,267.36, 150,226.08 and 89,419.84

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Solution

The fourth proportional to 100,267.36, 150,226.08 and 89,419.84 is: 133,973.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,267.36 : 150,226.08 = 89,419.84 : x
  2. Step 2: Convert to fraction form
    100,267.36/150,226.08 = 89,419.84/x
  3. Step 3: Cross multiply
    100,267.36x = 150,226.08 × 89,419.84
  4. Step 4: Simplify right side
    100,267.36x = 13,433,192,037.43
  5. Step 5: Solve for x
    x = 13,433,192,037.43/100,267.36
  6. Step 6: Final answer
    x = 133,973.73

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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.