Home / 181,358.22-250,269.35-100,783.70

Finding the Fourth Proportional to 181,358.22, 250,269.35 and 100,783.70

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Solution

The fourth proportional to 181,358.22, 250,269.35 and 100,783.70 is: 139,078.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,358.22 : 250,269.35 = 100,783.70 : x
  2. Step 2: Convert to fraction form
    181,358.22/250,269.35 = 100,783.70/x
  3. Step 3: Cross multiply
    181,358.22x = 250,269.35 × 100,783.70
  4. Step 4: Simplify right side
    181,358.22x = 25,223,069,334.33
  5. Step 5: Solve for x
    x = 25,223,069,334.33/181,358.22
  6. Step 6: Final answer
    x = 139,078.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.