Home / 111,378.20-167,064.90-74,176.60

Finding the Fourth Proportional to 111,378.20, 167,064.90 and 74,176.60

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Solution

The fourth proportional to 111,378.20, 167,064.90 and 74,176.60 is: 111,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,378.20 : 167,064.90 = 74,176.60 : x
  2. Step 2: Convert to fraction form
    111,378.20/167,064.90 = 74,176.60/x
  3. Step 3: Cross multiply
    111,378.20x = 167,064.90 × 74,176.60
  4. Step 4: Simplify right side
    111,378.20x = 12,392,306,261.34
  5. Step 5: Solve for x
    x = 12,392,306,261.34/111,378.20
  6. Step 6: Final answer
    x = 111,263.30

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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.