Home / 100,346.77-150,520.17-30,226.09

Finding the Fourth Proportional to 100,346.77, 150,520.17 and 30,226.09

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Solution

The fourth proportional to 100,346.77, 150,520.17 and 30,226.09 is: 45,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,346.77 : 150,520.17 = 30,226.09 : x
  2. Step 2: Convert to fraction form
    100,346.77/150,520.17 = 30,226.09/x
  3. Step 3: Cross multiply
    100,346.77x = 150,520.17 × 30,226.09
  4. Step 4: Simplify right side
    100,346.77x = 4,549,635,801.17
  5. Step 5: Solve for x
    x = 4,549,635,801.17/100,346.77
  6. Step 6: Final answer
    x = 45,339.13

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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.