Home / 181,277.77-250,158.83-100,705.49

Finding the Fourth Proportional to 181,277.77, 250,158.83 and 100,705.49

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Solution

The fourth proportional to 181,277.77, 250,158.83 and 100,705.49 is: 138,971.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,277.77 : 250,158.83 = 100,705.49 : x
  2. Step 2: Convert to fraction form
    181,277.77/250,158.83 = 100,705.49/x
  3. Step 3: Cross multiply
    181,277.77x = 250,158.83 × 100,705.49
  4. Step 4: Simplify right side
    181,277.77x = 25,192,367,552.98
  5. Step 5: Solve for x
    x = 25,192,367,552.98/181,277.77
  6. Step 6: Final answer
    x = 138,971.08

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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.