Home / 78,057.09-117,104.31-25,466.67

Finding the Fourth Proportional to 78,057.09, 117,104.31 and 25,466.67

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Solution

The fourth proportional to 78,057.09, 117,104.31 and 25,466.67 is: 38,206.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,057.09 : 117,104.31 = 25,466.67 : x
  2. Step 2: Convert to fraction form
    78,057.09/117,104.31 = 25,466.67/x
  3. Step 3: Cross multiply
    78,057.09x = 117,104.31 × 25,466.67
  4. Step 4: Simplify right side
    78,057.09x = 2,982,256,818.35
  5. Step 5: Solve for x
    x = 2,982,256,818.35/78,057.09
  6. Step 6: Final answer
    x = 38,206.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.