Home / 146,137.96-201,668.58-79,068.52

Finding the Fourth Proportional to 146,137.96, 201,668.58 and 79,068.52

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Solution

The fourth proportional to 146,137.96, 201,668.58 and 79,068.52 is: 109,113.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,137.96 : 201,668.58 = 79,068.52 : x
  2. Step 2: Convert to fraction form
    146,137.96/201,668.58 = 79,068.52/x
  3. Step 3: Cross multiply
    146,137.96x = 201,668.58 × 79,068.52
  4. Step 4: Simplify right side
    146,137.96x = 15,945,636,151.10
  5. Step 5: Solve for x
    x = 15,945,636,151.10/146,137.96
  6. Step 6: Final answer
    x = 109,113.58

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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.