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Finding the Fourth Proportional to 119,360.51, 164,717.44 and 65,649.14

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Solution

The fourth proportional to 119,360.51, 164,717.44 and 65,649.14 is: 90,595.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,360.51 : 164,717.44 = 65,649.14 : x
  2. Step 2: Convert to fraction form
    119,360.51/164,717.44 = 65,649.14/x
  3. Step 3: Cross multiply
    119,360.51x = 164,717.44 × 65,649.14
  4. Step 4: Simplify right side
    119,360.51x = 10,813,557,291.29
  5. Step 5: Solve for x
    x = 10,813,557,291.29/119,360.51
  6. Step 6: Final answer
    x = 90,595.77

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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.