Home / 119,288.81-164,619.09-65,577.28

Finding the Fourth Proportional to 119,288.81, 164,619.09 and 65,577.28

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Solution

The fourth proportional to 119,288.81, 164,619.09 and 65,577.28 is: 90,496.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,288.81 : 164,619.09 = 65,577.28 : x
  2. Step 2: Convert to fraction form
    119,288.81/164,619.09 = 65,577.28/x
  3. Step 3: Cross multiply
    119,288.81x = 164,619.09 × 65,577.28
  4. Step 4: Simplify right side
    119,288.81x = 10,795,272,588.49
  5. Step 5: Solve for x
    x = 10,795,272,588.49/119,288.81
  6. Step 6: Final answer
    x = 90,496.94

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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.