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Finding the Fourth Proportional to 119,364, 164,723.67 and 65,649.90

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Solution

The fourth proportional to 119,364, 164,723.67 and 65,649.90 is: 90,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,364 : 164,723.67 = 65,649.90 : x
  2. Step 2: Convert to fraction form
    119,364/164,723.67 = 65,649.90/x
  3. Step 3: Cross multiply
    119,364x = 164,723.67 × 65,649.90
  4. Step 4: Simplify right side
    119,364x = 10,814,092,463.13
  5. Step 5: Solve for x
    x = 10,814,092,463.13/119,364
  6. Step 6: Final answer
    x = 90,597.60

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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.