Home / 149,288.40-223,630.20-92,955.60

Finding the Fourth Proportional to 149,288.40, 223,630.20 and 92,955.60

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Solution

The fourth proportional to 149,288.40, 223,630.20 and 92,955.60 is: 139,245.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,288.40 : 223,630.20 = 92,955.60 : x
  2. Step 2: Convert to fraction form
    149,288.40/223,630.20 = 92,955.60/x
  3. Step 3: Cross multiply
    149,288.40x = 223,630.20 × 92,955.60
  4. Step 4: Simplify right side
    149,288.40x = 20,787,679,419.12
  5. Step 5: Solve for x
    x = 20,787,679,419.12/149,288.40
  6. Step 6: Final answer
    x = 139,245.11

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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.