Home / 189,642.04-261,702.30-104,758.36

Finding the Fourth Proportional to 189,642.04, 261,702.30 and 104,758.36

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Solution

The fourth proportional to 189,642.04, 261,702.30 and 104,758.36 is: 144,564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,642.04 : 261,702.30 = 104,758.36 : x
  2. Step 2: Convert to fraction form
    189,642.04/261,702.30 = 104,758.36/x
  3. Step 3: Cross multiply
    189,642.04x = 261,702.30 × 104,758.36
  4. Step 4: Simplify right side
    189,642.04x = 27,415,503,756.23
  5. Step 5: Solve for x
    x = 27,415,503,756.23/189,642.04
  6. Step 6: Final answer
    x = 144,564.48

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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.