Home / 163,970.26-245,399.82-100,830.35

Finding the Fourth Proportional to 163,970.26, 245,399.82 and 100,830.35

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Solution

The fourth proportional to 163,970.26, 245,399.82 and 100,830.35 is: 150,903.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,970.26 : 245,399.82 = 100,830.35 : x
  2. Step 2: Convert to fraction form
    163,970.26/245,399.82 = 100,830.35/x
  3. Step 3: Cross multiply
    163,970.26x = 245,399.82 × 100,830.35
  4. Step 4: Simplify right side
    163,970.26x = 24,743,749,740.54
  5. Step 5: Solve for x
    x = 24,743,749,740.54/163,970.26
  6. Step 6: Final answer
    x = 150,903.89

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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.