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Finding the Fourth Proportional to 181,438.73, 250,393.98 and 100,867.59

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Solution

The fourth proportional to 181,438.73, 250,393.98 and 100,867.59 is: 139,202.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,438.73 : 250,393.98 = 100,867.59 : x
  2. Step 2: Convert to fraction form
    181,438.73/250,393.98 = 100,867.59/x
  3. Step 3: Cross multiply
    181,438.73x = 250,393.98 × 100,867.59
  4. Step 4: Simplify right side
    181,438.73x = 25,256,637,313.11
  5. Step 5: Solve for x
    x = 25,256,637,313.11/181,438.73
  6. Step 6: Final answer
    x = 139,202.02

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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.