Home / 163,584.64-225,729.54-90,975.76

Finding the Fourth Proportional to 163,584.64, 225,729.54 and 90,975.76

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Solution

The fourth proportional to 163,584.64, 225,729.54 and 90,975.76 is: 125,536.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,584.64 : 225,729.54 = 90,975.76 : x
  2. Step 2: Convert to fraction form
    163,584.64/225,729.54 = 90,975.76/x
  3. Step 3: Cross multiply
    163,584.64x = 225,729.54 × 90,975.76
  4. Step 4: Simplify right side
    163,584.64x = 20,535,916,455.95
  5. Step 5: Solve for x
    x = 20,535,916,455.95/163,584.64
  6. Step 6: Final answer
    x = 125,536.95

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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.