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Finding the Fourth Proportional to 181,237.82, 250,101.23 and 100,670.49

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Solution

The fourth proportional to 181,237.82, 250,101.23 and 100,670.49 is: 138,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,237.82 : 250,101.23 = 100,670.49 : x
  2. Step 2: Convert to fraction form
    181,237.82/250,101.23 = 100,670.49/x
  3. Step 3: Cross multiply
    181,237.82x = 250,101.23 × 100,670.49
  4. Step 4: Simplify right side
    181,237.82x = 25,177,812,374.87
  5. Step 5: Solve for x
    x = 25,177,812,374.87/181,237.82
  6. Step 6: Final answer
    x = 138,921.40

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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.