Home / 189,261.24-261,180.40-104,378.36

Finding the Fourth Proportional to 189,261.24, 261,180.40 and 104,378.36

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Solution

The fourth proportional to 189,261.24, 261,180.40 and 104,378.36 is: 144,042.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,261.24 : 261,180.40 = 104,378.36 : x
  2. Step 2: Convert to fraction form
    189,261.24/261,180.40 = 104,378.36/x
  3. Step 3: Cross multiply
    189,261.24x = 261,180.40 × 104,378.36
  4. Step 4: Simplify right side
    189,261.24x = 27,261,581,816.14
  5. Step 5: Solve for x
    x = 27,261,581,816.14/189,261.24
  6. Step 6: Final answer
    x = 144,042.08

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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.