Home / 119,903.29-165,466.57-66,188.34

Finding the Fourth Proportional to 119,903.29, 165,466.57 and 66,188.34

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Solution

The fourth proportional to 119,903.29, 165,466.57 and 66,188.34 is: 91,339.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,903.29 : 165,466.57 = 66,188.34 : x
  2. Step 2: Convert to fraction form
    119,903.29/165,466.57 = 66,188.34/x
  3. Step 3: Cross multiply
    119,903.29x = 165,466.57 × 66,188.34
  4. Step 4: Simplify right side
    119,903.29x = 10,951,958,172.93
  5. Step 5: Solve for x
    x = 10,951,958,172.93/119,903.29
  6. Step 6: Final answer
    x = 91,339.93

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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.