Home / 163,368.59-225,422.19-102,107.55

Finding the Fourth Proportional to 163,368.59, 225,422.19 and 102,107.55

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Solution

The fourth proportional to 163,368.59, 225,422.19 and 102,107.55 is: 140,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,368.59 : 225,422.19 = 102,107.55 : x
  2. Step 2: Convert to fraction form
    163,368.59/225,422.19 = 102,107.55/x
  3. Step 3: Cross multiply
    163,368.59x = 225,422.19 × 102,107.55
  4. Step 4: Simplify right side
    163,368.59x = 23,017,308,381.87
  5. Step 5: Solve for x
    x = 23,017,308,381.87/163,368.59
  6. Step 6: Final answer
    x = 140,891.89

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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.