Home / 102,880.82-142,001.88-62,622.83

Finding the Fourth Proportional to 102,880.82, 142,001.88 and 62,622.83

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Solution

The fourth proportional to 102,880.82, 142,001.88 and 62,622.83 is: 86,435.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,880.82 : 142,001.88 = 62,622.83 : x
  2. Step 2: Convert to fraction form
    102,880.82/142,001.88 = 62,622.83/x
  3. Step 3: Cross multiply
    102,880.82x = 142,001.88 × 62,622.83
  4. Step 4: Simplify right side
    102,880.82x = 8,892,559,590.92
  5. Step 5: Solve for x
    x = 8,892,559,590.92/102,880.82
  6. Step 6: Final answer
    x = 86,435.54

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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.