Home / 189,587.20-261,628.80-104,710.08

Finding the Fourth Proportional to 189,587.20, 261,628.80 and 104,710.08

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Solution

The fourth proportional to 189,587.20, 261,628.80 and 104,710.08 is: 144,499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,587.20 : 261,628.80 = 104,710.08 : x
  2. Step 2: Convert to fraction form
    189,587.20/261,628.80 = 104,710.08/x
  3. Step 3: Cross multiply
    189,587.20x = 261,628.80 × 104,710.08
  4. Step 4: Simplify right side
    189,587.20x = 27,395,172,578.30
  5. Step 5: Solve for x
    x = 27,395,172,578.30/189,587.20
  6. Step 6: Final answer
    x = 144,499.06

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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.