Home / 165,543.65-228,291.43-111,218.57

Finding the Fourth Proportional to 165,543.65, 228,291.43 and 111,218.57

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Solution

The fourth proportional to 165,543.65, 228,291.43 and 111,218.57 is: 153,374.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,543.65 : 228,291.43 = 111,218.57 : x
  2. Step 2: Convert to fraction form
    165,543.65/228,291.43 = 111,218.57/x
  3. Step 3: Cross multiply
    165,543.65x = 228,291.43 × 111,218.57
  4. Step 4: Simplify right side
    165,543.65x = 25,390,245,831.76
  5. Step 5: Solve for x
    x = 25,390,245,831.76/165,543.65
  6. Step 6: Final answer
    x = 153,374.93

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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.