Home / 165,743.69-248,631.55-65,881.47

Finding the Fourth Proportional to 165,743.69, 248,631.55 and 65,881.47

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Solution

The fourth proportional to 165,743.69, 248,631.55 and 65,881.47 is: 98,828.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,743.69 : 248,631.55 = 65,881.47 : x
  2. Step 2: Convert to fraction form
    165,743.69/248,631.55 = 65,881.47/x
  3. Step 3: Cross multiply
    165,743.69x = 248,631.55 × 65,881.47
  4. Step 4: Simplify right side
    165,743.69x = 16,380,211,742.07
  5. Step 5: Solve for x
    x = 16,380,211,742.07/165,743.69
  6. Step 6: Final answer
    x = 98,828.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.