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Finding the Fourth Proportional to 191,668.21, 264,495.92 and 110,009.90

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Solution

The fourth proportional to 191,668.21, 264,495.92 and 110,009.90 is: 151,810.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,668.21 : 264,495.92 = 110,009.90 : x
  2. Step 2: Convert to fraction form
    191,668.21/264,495.92 = 110,009.90/x
  3. Step 3: Cross multiply
    191,668.21x = 264,495.92 × 110,009.90
  4. Step 4: Simplify right side
    191,668.21x = 29,097,168,333.01
  5. Step 5: Solve for x
    x = 29,097,168,333.01/191,668.21
  6. Step 6: Final answer
    x = 151,810.09

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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.