Home / 119,410.90-164,783.64-64,961.35

Finding the Fourth Proportional to 119,410.90, 164,783.64 and 64,961.35

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Solution

The fourth proportional to 119,410.90, 164,783.64 and 64,961.35 is: 89,644.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,410.90 : 164,783.64 = 64,961.35 : x
  2. Step 2: Convert to fraction form
    119,410.90/164,783.64 = 64,961.35/x
  3. Step 3: Cross multiply
    119,410.90x = 164,783.64 × 64,961.35
  4. Step 4: Simplify right side
    119,410.90x = 10,704,567,712.31
  5. Step 5: Solve for x
    x = 10,704,567,712.31/119,410.90
  6. Step 6: Final answer
    x = 89,644.81

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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.