Home / 189,388.02-261,344.43-104,504.88

Finding the Fourth Proportional to 189,388.02, 261,344.43 and 104,504.88

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Solution

The fourth proportional to 189,388.02, 261,344.43 and 104,504.88 is: 144,210.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,388.02 : 261,344.43 = 104,504.88 : x
  2. Step 2: Convert to fraction form
    189,388.02/261,344.43 = 104,504.88/x
  3. Step 3: Cross multiply
    189,388.02x = 261,344.43 × 104,504.88
  4. Step 4: Simplify right side
    189,388.02x = 27,311,768,295.82
  5. Step 5: Solve for x
    x = 27,311,768,295.82/189,388.02
  6. Step 6: Final answer
    x = 144,210.64

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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.