Home / 285,074.24-427,596.12-107,569.76

Finding the Fourth Proportional to 285,074.24, 427,596.12 and 107,569.76

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Solution

The fourth proportional to 285,074.24, 427,596.12 and 107,569.76 is: 161,348.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,074.24 : 427,596.12 = 107,569.76 : x
  2. Step 2: Convert to fraction form
    285,074.24/427,596.12 = 107,569.76/x
  3. Step 3: Cross multiply
    285,074.24x = 427,596.12 × 107,569.76
  4. Step 4: Simplify right side
    285,074.24x = 45,996,412,005.33
  5. Step 5: Solve for x
    x = 45,996,412,005.33/285,074.24
  6. Step 6: Final answer
    x = 161,348.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.