Home / 74,420.30-111,630.45-25,172.30

Finding the Fourth Proportional to 74,420.30, 111,630.45 and 25,172.30

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Solution

The fourth proportional to 74,420.30, 111,630.45 and 25,172.30 is: 37,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,420.30 : 111,630.45 = 25,172.30 : x
  2. Step 2: Convert to fraction form
    74,420.30/111,630.45 = 25,172.30/x
  3. Step 3: Cross multiply
    74,420.30x = 111,630.45 × 25,172.30
  4. Step 4: Simplify right side
    74,420.30x = 2,809,995,176.54
  5. Step 5: Solve for x
    x = 2,809,995,176.54/74,420.30
  6. Step 6: Final answer
    x = 37,758.45

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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.