Home / 189,228.04-261,133.14-104,342.20

Finding the Fourth Proportional to 189,228.04, 261,133.14 and 104,342.20

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Solution

The fourth proportional to 189,228.04, 261,133.14 and 104,342.20 is: 143,991.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,228.04 : 261,133.14 = 104,342.20 : x
  2. Step 2: Convert to fraction form
    189,228.04/261,133.14 = 104,342.20/x
  3. Step 3: Cross multiply
    189,228.04x = 261,133.14 × 104,342.20
  4. Step 4: Simplify right side
    189,228.04x = 27,247,206,320.51
  5. Step 5: Solve for x
    x = 27,247,206,320.51/189,228.04
  6. Step 6: Final answer
    x = 143,991.38

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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.