Home / 119,815.67-165,346.18-66,100.67

Finding the Fourth Proportional to 119,815.67, 165,346.18 and 66,100.67

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Solution

The fourth proportional to 119,815.67, 165,346.18 and 66,100.67 is: 91,219.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,815.67 : 165,346.18 = 66,100.67 : x
  2. Step 2: Convert to fraction form
    119,815.67/165,346.18 = 66,100.67/x
  3. Step 3: Cross multiply
    119,815.67x = 165,346.18 × 66,100.67
  4. Step 4: Simplify right side
    119,815.67x = 10,929,492,908.01
  5. Step 5: Solve for x
    x = 10,929,492,908.01/119,815.67
  6. Step 6: Final answer
    x = 91,219.23

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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.