Home / 149,268.24-205,980.84-82,200.24

Finding the Fourth Proportional to 149,268.24, 205,980.84 and 82,200.24

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Solution

The fourth proportional to 149,268.24, 205,980.84 and 82,200.24 is: 113,431.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,268.24 : 205,980.84 = 82,200.24 : x
  2. Step 2: Convert to fraction form
    149,268.24/205,980.84 = 82,200.24/x
  3. Step 3: Cross multiply
    149,268.24x = 205,980.84 × 82,200.24
  4. Step 4: Simplify right side
    149,268.24x = 16,931,674,483.40
  5. Step 5: Solve for x
    x = 16,931,674,483.40/149,268.24
  6. Step 6: Final answer
    x = 113,431.19

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1.5x scale

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.