Home / 285,024.39-427,597.52-105,110.29

Finding the Fourth Proportional to 285,024.39, 427,597.52 and 105,110.29

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Solution

The fourth proportional to 285,024.39, 427,597.52 and 105,110.29 is: 157,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,024.39 : 427,597.52 = 105,110.29 : x
  2. Step 2: Convert to fraction form
    285,024.39/427,597.52 = 105,110.29/x
  3. Step 3: Cross multiply
    285,024.39x = 427,597.52 × 105,110.29
  4. Step 4: Simplify right side
    285,024.39x = 44,944,899,339.43
  5. Step 5: Solve for x
    x = 44,944,899,339.43/285,024.39
  6. Step 6: Final answer
    x = 157,687.91

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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.