Home / 119,880.24-165,431.52-66,164.28

Finding the Fourth Proportional to 119,880.24, 165,431.52 and 66,164.28

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Solution

The fourth proportional to 119,880.24, 165,431.52 and 66,164.28 is: 91,304.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,880.24 : 165,431.52 = 66,164.28 : x
  2. Step 2: Convert to fraction form
    119,880.24/165,431.52 = 66,164.28/x
  3. Step 3: Cross multiply
    119,880.24x = 165,431.52 × 66,164.28
  4. Step 4: Simplify right side
    119,880.24x = 10,945,657,410.11
  5. Step 5: Solve for x
    x = 10,945,657,410.11/119,880.24
  6. Step 6: Final answer
    x = 91,304.93

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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.