Home / 165,727.52-228,699.60-90,271.52

Finding the Fourth Proportional to 165,727.52, 228,699.60 and 90,271.52

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Solution

The fourth proportional to 165,727.52, 228,699.60 and 90,271.52 is: 124,572.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,727.52 : 228,699.60 = 90,271.52 : x
  2. Step 2: Convert to fraction form
    165,727.52/228,699.60 = 90,271.52/x
  3. Step 3: Cross multiply
    165,727.52x = 228,699.60 × 90,271.52
  4. Step 4: Simplify right side
    165,727.52x = 20,645,060,515.39
  5. Step 5: Solve for x
    x = 20,645,060,515.39/165,727.52
  6. Step 6: Final answer
    x = 124,572.31

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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.