Home / 163,464.40-245,196.60-143,125.30

Finding the Fourth Proportional to 163,464.40, 245,196.60 and 143,125.30

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Solution

The fourth proportional to 163,464.40, 245,196.60 and 143,125.30 is: 214,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,464.40 : 245,196.60 = 143,125.30 : x
  2. Step 2: Convert to fraction form
    163,464.40/245,196.60 = 143,125.30/x
  3. Step 3: Cross multiply
    163,464.40x = 245,196.60 × 143,125.30
  4. Step 4: Simplify right side
    163,464.40x = 35,093,836,933.98
  5. Step 5: Solve for x
    x = 35,093,836,933.98/163,464.40
  6. Step 6: Final answer
    x = 214,687.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.