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Finding the Fourth Proportional to 181,470.36, 250,428.87 and 100,895.34

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Solution

The fourth proportional to 181,470.36, 250,428.87 and 100,895.34 is: 139,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,470.36 : 250,428.87 = 100,895.34 : x
  2. Step 2: Convert to fraction form
    181,470.36/250,428.87 = 100,895.34/x
  3. Step 3: Cross multiply
    181,470.36x = 250,428.87 × 100,895.34
  4. Step 4: Simplify right side
    181,470.36x = 25,267,105,984.47
  5. Step 5: Solve for x
    x = 25,267,105,984.47/181,470.36
  6. Step 6: Final answer
    x = 139,235.44

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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.