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Finding the Fourth Proportional to 181,548, 250,538.40 and 100,981.44

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Solution

The fourth proportional to 181,548, 250,538.40 and 100,981.44 is: 139,355.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,548 : 250,538.40 = 100,981.44 : x
  2. Step 2: Convert to fraction form
    181,548/250,538.40 = 100,981.44/x
  3. Step 3: Cross multiply
    181,548x = 250,538.40 × 100,981.44
  4. Step 4: Simplify right side
    181,548x = 25,299,728,407.30
  5. Step 5: Solve for x
    x = 25,299,728,407.30/181,548
  6. Step 6: Final answer
    x = 139,355.59

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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.