Home / 189,675.26-261,748.74-103,632.38

Finding the Fourth Proportional to 189,675.26, 261,748.74 and 103,632.38

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Solution

The fourth proportional to 189,675.26, 261,748.74 and 103,632.38 is: 143,010.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,675.26 : 261,748.74 = 103,632.38 : x
  2. Step 2: Convert to fraction form
    189,675.26/261,748.74 = 103,632.38/x
  3. Step 3: Cross multiply
    189,675.26x = 261,748.74 × 103,632.38
  4. Step 4: Simplify right side
    189,675.26x = 27,125,643,579.46
  5. Step 5: Solve for x
    x = 27,125,643,579.46/189,675.26
  6. Step 6: Final answer
    x = 143,010.98

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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.