Home / 189,141.34-261,016.84-104,261.44

Finding the Fourth Proportional to 189,141.34, 261,016.84 and 104,261.44

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Solution

The fourth proportional to 189,141.34, 261,016.84 and 104,261.44 is: 143,881.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,141.34 : 261,016.84 = 104,261.44 : x
  2. Step 2: Convert to fraction form
    189,141.34/261,016.84 = 104,261.44/x
  3. Step 3: Cross multiply
    189,141.34x = 261,016.84 × 104,261.44
  4. Step 4: Simplify right side
    189,141.34x = 27,213,991,602.65
  5. Step 5: Solve for x
    x = 27,213,991,602.65/189,141.34
  6. Step 6: Final answer
    x = 143,881.77

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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.