Home / 189,141.06-261,014.67-104,259.95

Finding the Fourth Proportional to 189,141.06, 261,014.67 and 104,259.95

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Solution

The fourth proportional to 189,141.06, 261,014.67 and 104,259.95 is: 143,878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,141.06 : 261,014.67 = 104,259.95 : x
  2. Step 2: Convert to fraction form
    189,141.06/261,014.67 = 104,259.95/x
  3. Step 3: Cross multiply
    189,141.06x = 261,014.67 × 104,259.95
  4. Step 4: Simplify right side
    189,141.06x = 27,213,376,443.47
  5. Step 5: Solve for x
    x = 27,213,376,443.47/189,141.06
  6. Step 6: Final answer
    x = 143,878.73

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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.