Home / 181,790.40-250,805.82-105,267.72

Finding the Fourth Proportional to 181,790.40, 250,805.82 and 105,267.72

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Solution

The fourth proportional to 181,790.40, 250,805.82 and 105,267.72 is: 145,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,790.40 : 250,805.82 = 105,267.72 : x
  2. Step 2: Convert to fraction form
    181,790.40/250,805.82 = 105,267.72/x
  3. Step 3: Cross multiply
    181,790.40x = 250,805.82 × 105,267.72
  4. Step 4: Simplify right side
    181,790.40x = 26,401,756,834.13
  5. Step 5: Solve for x
    x = 26,401,756,834.13/181,790.40
  6. Step 6: Final answer
    x = 145,231.85

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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.