Home / 163,879.56-226,139.28-91,276.92

Finding the Fourth Proportional to 163,879.56, 226,139.28 and 91,276.92

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Solution

The fourth proportional to 163,879.56, 226,139.28 and 91,276.92 is: 125,954.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,879.56 : 226,139.28 = 91,276.92 : x
  2. Step 2: Convert to fraction form
    163,879.56/226,139.28 = 91,276.92/x
  3. Step 3: Cross multiply
    163,879.56x = 226,139.28 × 91,276.92
  4. Step 4: Simplify right side
    163,879.56x = 20,641,296,969.42
  5. Step 5: Solve for x
    x = 20,641,296,969.42/163,879.56
  6. Step 6: Final answer
    x = 125,954.07

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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.