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Finding the Fourth Proportional to 181,518.54, 250,495.73 and 100,944.30

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Solution

The fourth proportional to 181,518.54, 250,495.73 and 100,944.30 is: 139,303.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,518.54 : 250,495.73 = 100,944.30 : x
  2. Step 2: Convert to fraction form
    181,518.54/250,495.73 = 100,944.30/x
  3. Step 3: Cross multiply
    181,518.54x = 250,495.73 × 100,944.30
  4. Step 4: Simplify right side
    181,518.54x = 25,286,116,117.84
  5. Step 5: Solve for x
    x = 25,286,116,117.84/181,518.54
  6. Step 6: Final answer
    x = 139,303.21

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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.