Home / 189,142.92-261,017.26-104,261.84

Finding the Fourth Proportional to 189,142.92, 261,017.26 and 104,261.84

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Solution

The fourth proportional to 189,142.92, 261,017.26 and 104,261.84 is: 143,881.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,142.92 : 261,017.26 = 104,261.84 : x
  2. Step 2: Convert to fraction form
    189,142.92/261,017.26 = 104,261.84/x
  3. Step 3: Cross multiply
    189,142.92x = 261,017.26 × 104,261.84
  4. Step 4: Simplify right side
    189,142.92x = 27,214,139,799.36
  5. Step 5: Solve for x
    x = 27,214,139,799.36/189,142.92
  6. Step 6: Final answer
    x = 143,881.36

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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.