Home / 181,358.72-250,270.04-100,784.18

Finding the Fourth Proportional to 181,358.72, 250,270.04 and 100,784.18

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Solution

The fourth proportional to 181,358.72, 250,270.04 and 100,784.18 is: 139,079.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,358.72 : 250,270.04 = 100,784.18 : x
  2. Step 2: Convert to fraction form
    181,358.72/250,270.04 = 100,784.18/x
  3. Step 3: Cross multiply
    181,358.72x = 250,270.04 × 100,784.18
  4. Step 4: Simplify right side
    181,358.72x = 25,223,260,759.97
  5. Step 5: Solve for x
    x = 25,223,260,759.97/181,358.72
  6. Step 6: Final answer
    x = 139,079.39

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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.