Home / 119,903.13-165,466.43-66,188.10

Finding the Fourth Proportional to 119,903.13, 165,466.43 and 66,188.10

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Solution

The fourth proportional to 119,903.13, 165,466.43 and 66,188.10 is: 91,339.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,903.13 : 165,466.43 = 66,188.10 : x
  2. Step 2: Convert to fraction form
    119,903.13/165,466.43 = 66,188.10/x
  3. Step 3: Cross multiply
    119,903.13x = 165,466.43 × 66,188.10
  4. Step 4: Simplify right side
    119,903.13x = 10,951,908,284.54
  5. Step 5: Solve for x
    x = 10,951,908,284.54/119,903.13
  6. Step 6: Final answer
    x = 91,339.64

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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.