Home / 163,326.53-245,059.13-79,149.35

Finding the Fourth Proportional to 163,326.53, 245,059.13 and 79,149.35

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Solution

The fourth proportional to 163,326.53, 245,059.13 and 79,149.35 is: 118,757.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,326.53 : 245,059.13 = 79,149.35 : x
  2. Step 2: Convert to fraction form
    163,326.53/245,059.13 = 79,149.35/x
  3. Step 3: Cross multiply
    163,326.53x = 245,059.13 × 79,149.35
  4. Step 4: Simplify right side
    163,326.53x = 19,396,270,455.32
  5. Step 5: Solve for x
    x = 19,396,270,455.32/163,326.53
  6. Step 6: Final answer
    x = 118,757.62

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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.