Home / 119,385.96-164,749.32-64,936.32

Finding the Fourth Proportional to 119,385.96, 164,749.32 and 64,936.32

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Solution

The fourth proportional to 119,385.96, 164,749.32 and 64,936.32 is: 89,610.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,385.96 : 164,749.32 = 64,936.32 : x
  2. Step 2: Convert to fraction form
    119,385.96/164,749.32 = 64,936.32/x
  3. Step 3: Cross multiply
    119,385.96x = 164,749.32 × 64,936.32
  4. Step 4: Simplify right side
    119,385.96x = 10,698,214,563.30
  5. Step 5: Solve for x
    x = 10,698,214,563.30/119,385.96
  6. Step 6: Final answer
    x = 89,610.32

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1.5x scale

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.