Home / 119,739.66-165,237.20-66,024.67

Finding the Fourth Proportional to 119,739.66, 165,237.20 and 66,024.67

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Solution

The fourth proportional to 119,739.66, 165,237.20 and 66,024.67 is: 91,112.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,739.66 : 165,237.20 = 66,024.67 : x
  2. Step 2: Convert to fraction form
    119,739.66/165,237.20 = 66,024.67/x
  3. Step 3: Cross multiply
    119,739.66x = 165,237.20 × 66,024.67
  4. Step 4: Simplify right side
    119,739.66x = 10,909,730,445.41
  5. Step 5: Solve for x
    x = 10,909,730,445.41/119,739.66
  6. Step 6: Final answer
    x = 91,112.09

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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.