Home / 109,391.19-150,973.58-64,086.46

Finding the Fourth Proportional to 109,391.19, 150,973.58 and 64,086.46

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Solution

The fourth proportional to 109,391.19, 150,973.58 and 64,086.46 is: 88,447.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,391.19 : 150,973.58 = 64,086.46 : x
  2. Step 2: Convert to fraction form
    109,391.19/150,973.58 = 64,086.46/x
  3. Step 3: Cross multiply
    109,391.19x = 150,973.58 × 64,086.46
  4. Step 4: Simplify right side
    109,391.19x = 9,675,362,295.73
  5. Step 5: Solve for x
    x = 9,675,362,295.73/109,391.19
  6. Step 6: Final answer
    x = 88,447.36

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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.