Home / 163,970.47-245,399.73-100,830.26

Finding the Fourth Proportional to 163,970.47, 245,399.73 and 100,830.26

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Solution

The fourth proportional to 163,970.47, 245,399.73 and 100,830.26 is: 150,903.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,970.47 : 245,399.73 = 100,830.26 : x
  2. Step 2: Convert to fraction form
    163,970.47/245,399.73 = 100,830.26/x
  3. Step 3: Cross multiply
    163,970.47x = 245,399.73 × 100,830.26
  4. Step 4: Simplify right side
    163,970.47x = 24,743,719,193.33
  5. Step 5: Solve for x
    x = 24,743,719,193.33/163,970.47
  6. Step 6: Final answer
    x = 150,903.51

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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.