Home / 146,954.58-220,494.27-80,316.84

Finding the Fourth Proportional to 146,954.58, 220,494.27 and 80,316.84

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Solution

The fourth proportional to 146,954.58, 220,494.27 and 80,316.84 is: 120,509.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,954.58 : 220,494.27 = 80,316.84 : x
  2. Step 2: Convert to fraction form
    146,954.58/220,494.27 = 80,316.84/x
  3. Step 3: Cross multiply
    146,954.58x = 220,494.27 × 80,316.84
  4. Step 4: Simplify right side
    146,954.58x = 17,709,403,004.51
  5. Step 5: Solve for x
    x = 17,709,403,004.51/146,954.58
  6. Step 6: Final answer
    x = 120,509.36

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1.5x scale

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.