Home / 189,662.26-261,752.02-103,634.32

Finding the Fourth Proportional to 189,662.26, 261,752.02 and 103,634.32

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Solution

The fourth proportional to 189,662.26, 261,752.02 and 103,634.32 is: 143,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,662.26 : 261,752.02 = 103,634.32 : x
  2. Step 2: Convert to fraction form
    189,662.26/261,752.02 = 103,634.32/x
  3. Step 3: Cross multiply
    189,662.26x = 261,752.02 × 103,634.32
  4. Step 4: Simplify right side
    189,662.26x = 27,126,492,601.33
  5. Step 5: Solve for x
    x = 27,126,492,601.33/189,662.26
  6. Step 6: Final answer
    x = 143,025.25

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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.