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Finding the Fourth Proportional to 116,605.68, 174,908.52 and 64,347.31

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Solution

The fourth proportional to 116,605.68, 174,908.52 and 64,347.31 is: 96,520.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,605.68 : 174,908.52 = 64,347.31 : x
  2. Step 2: Convert to fraction form
    116,605.68/174,908.52 = 64,347.31/x
  3. Step 3: Cross multiply
    116,605.68x = 174,908.52 × 64,347.31
  4. Step 4: Simplify right side
    116,605.68x = 11,254,892,758.08
  5. Step 5: Solve for x
    x = 11,254,892,758.08/116,605.68
  6. Step 6: Final answer
    x = 96,520.97

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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.