Home / 103,226.35-142,443.79-57,898.03

Finding the Fourth Proportional to 103,226.35, 142,443.79 and 57,898.03

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Solution

The fourth proportional to 103,226.35, 142,443.79 and 57,898.03 is: 79,894.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,226.35 : 142,443.79 = 57,898.03 : x
  2. Step 2: Convert to fraction form
    103,226.35/142,443.79 = 57,898.03/x
  3. Step 3: Cross multiply
    103,226.35x = 142,443.79 × 57,898.03
  4. Step 4: Simplify right side
    103,226.35x = 8,247,214,826.73
  5. Step 5: Solve for x
    x = 8,247,214,826.73/103,226.35
  6. Step 6: Final answer
    x = 79,894.47

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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.