Home / 165,927.36-228,984.48-90,480

Finding the Fourth Proportional to 165,927.36, 228,984.48 and 90,480

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Solution

The fourth proportional to 165,927.36, 228,984.48 and 90,480 is: 124,864.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,927.36 : 228,984.48 = 90,480 : x
  2. Step 2: Convert to fraction form
    165,927.36/228,984.48 = 90,480/x
  3. Step 3: Cross multiply
    165,927.36x = 228,984.48 × 90,480
  4. Step 4: Simplify right side
    165,927.36x = 20,718,515,750.40
  5. Step 5: Solve for x
    x = 20,718,515,750.40/165,927.36
  6. Step 6: Final answer
    x = 124,864.98

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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.