Home / 181,216.80-250,087.50-100,644.68

Finding the Fourth Proportional to 181,216.80, 250,087.50 and 100,644.68

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Solution

The fourth proportional to 181,216.80, 250,087.50 and 100,644.68 is: 138,894.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,216.80 : 250,087.50 = 100,644.68 : x
  2. Step 2: Convert to fraction form
    181,216.80/250,087.50 = 100,644.68/x
  3. Step 3: Cross multiply
    181,216.80x = 250,087.50 × 100,644.68
  4. Step 4: Simplify right side
    181,216.80x = 25,169,976,409.50
  5. Step 5: Solve for x
    x = 25,169,976,409.50/181,216.80
  6. Step 6: Final answer
    x = 138,894.28

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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.