Home / 119,353.11-164,703.52-65,637.96

Finding the Fourth Proportional to 119,353.11, 164,703.52 and 65,637.96

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Solution

The fourth proportional to 119,353.11, 164,703.52 and 65,637.96 is: 90,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,353.11 : 164,703.52 = 65,637.96 : x
  2. Step 2: Convert to fraction form
    119,353.11/164,703.52 = 65,637.96/x
  3. Step 3: Cross multiply
    119,353.11x = 164,703.52 × 65,637.96
  4. Step 4: Simplify right side
    119,353.11x = 10,810,802,893.52
  5. Step 5: Solve for x
    x = 10,810,802,893.52/119,353.11
  6. Step 6: Final answer
    x = 90,578.31

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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.