Home / 181,463.83-250,418.79-100,890.70

Finding the Fourth Proportional to 181,463.83, 250,418.79 and 100,890.70

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Solution

The fourth proportional to 181,463.83, 250,418.79 and 100,890.70 is: 139,228.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,463.83 : 250,418.79 = 100,890.70 : x
  2. Step 2: Convert to fraction form
    181,463.83/250,418.79 = 100,890.70/x
  3. Step 3: Cross multiply
    181,463.83x = 250,418.79 × 100,890.70
  4. Step 4: Simplify right side
    181,463.83x = 25,264,926,390.21
  5. Step 5: Solve for x
    x = 25,264,926,390.21/181,463.83
  6. Step 6: Final answer
    x = 139,228.44

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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.