Home / 163,945.20-226,254.02-100,295.20

Finding the Fourth Proportional to 163,945.20, 226,254.02 and 100,295.20

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Solution

The fourth proportional to 163,945.20, 226,254.02 and 100,295.20 is: 138,413.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,945.20 : 226,254.02 = 100,295.20 : x
  2. Step 2: Convert to fraction form
    163,945.20/226,254.02 = 100,295.20/x
  3. Step 3: Cross multiply
    163,945.20x = 226,254.02 × 100,295.20
  4. Step 4: Simplify right side
    163,945.20x = 22,692,192,186.70
  5. Step 5: Solve for x
    x = 22,692,192,186.70/163,945.20
  6. Step 6: Final answer
    x = 138,413.28

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1.5x scale

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.