Home / 100,210.86-150,272.19-30,073.77

Finding the Fourth Proportional to 100,210.86, 150,272.19 and 30,073.77

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Solution

The fourth proportional to 100,210.86, 150,272.19 and 30,073.77 is: 45,097.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,210.86 : 150,272.19 = 30,073.77 : x
  2. Step 2: Convert to fraction form
    100,210.86/150,272.19 = 30,073.77/x
  3. Step 3: Cross multiply
    100,210.86x = 150,272.19 × 30,073.77
  4. Step 4: Simplify right side
    100,210.86x = 4,519,251,279.46
  5. Step 5: Solve for x
    x = 4,519,251,279.46/100,210.86
  6. Step 6: Final answer
    x = 45,097.42

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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.