Home / 119,856.60-165,394.98-66,146.67

Finding the Fourth Proportional to 119,856.60, 165,394.98 and 66,146.67

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Solution

The fourth proportional to 119,856.60, 165,394.98 and 66,146.67 is: 91,278.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,856.60 : 165,394.98 = 66,146.67 : x
  2. Step 2: Convert to fraction form
    119,856.60/165,394.98 = 66,146.67/x
  3. Step 3: Cross multiply
    119,856.60x = 165,394.98 × 66,146.67
  4. Step 4: Simplify right side
    119,856.60x = 10,940,327,161.72
  5. Step 5: Solve for x
    x = 10,940,327,161.72/119,856.60
  6. Step 6: Final answer
    x = 91,278.47

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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.