Home / 181,362.95-250,296.78-100,806.83

Finding the Fourth Proportional to 181,362.95, 250,296.78 and 100,806.83

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Solution

The fourth proportional to 181,362.95, 250,296.78 and 100,806.83 is: 139,122.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,362.95 : 250,296.78 = 100,806.83 : x
  2. Step 2: Convert to fraction form
    181,362.95/250,296.78 = 100,806.83/x
  3. Step 3: Cross multiply
    181,362.95x = 250,296.78 × 100,806.83
  4. Step 4: Simplify right side
    181,362.95x = 25,231,623,699.52
  5. Step 5: Solve for x
    x = 25,231,623,699.52/181,362.95
  6. Step 6: Final answer
    x = 139,122.27

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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.