Home / 119,169.09-164,454.69-65,455.36

Finding the Fourth Proportional to 119,169.09, 164,454.69 and 65,455.36

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Solution

The fourth proportional to 119,169.09, 164,454.69 and 65,455.36 is: 90,329.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,169.09 : 164,454.69 = 65,455.36 : x
  2. Step 2: Convert to fraction form
    119,169.09/164,454.69 = 65,455.36/x
  3. Step 3: Cross multiply
    119,169.09x = 164,454.69 × 65,455.36
  4. Step 4: Simplify right side
    119,169.09x = 10,764,440,937.64
  5. Step 5: Solve for x
    x = 10,764,440,937.64/119,169.09
  6. Step 6: Final answer
    x = 90,329.14

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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.