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Finding the Fourth Proportional to 119,326.84, 164,673.70 and 65,608.44

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Solution

The fourth proportional to 119,326.84, 164,673.70 and 65,608.44 is: 90,541.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,326.84 : 164,673.70 = 65,608.44 : x
  2. Step 2: Convert to fraction form
    119,326.84/164,673.70 = 65,608.44/x
  3. Step 3: Cross multiply
    119,326.84x = 164,673.70 × 65,608.44
  4. Step 4: Simplify right side
    119,326.84x = 10,803,984,566.03
  5. Step 5: Solve for x
    x = 10,803,984,566.03/119,326.84
  6. Step 6: Final answer
    x = 90,541.11

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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.