Home / 146,012.51-218,965.30-71,110.19

Finding the Fourth Proportional to 146,012.51, 218,965.30 and 71,110.19

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Solution

The fourth proportional to 146,012.51, 218,965.30 and 71,110.19 is: 106,639.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,012.51 : 218,965.30 = 71,110.19 : x
  2. Step 2: Convert to fraction form
    146,012.51/218,965.30 = 71,110.19/x
  3. Step 3: Cross multiply
    146,012.51x = 218,965.30 × 71,110.19
  4. Step 4: Simplify right side
    146,012.51x = 15,570,664,086.41
  5. Step 5: Solve for x
    x = 15,570,664,086.41/146,012.51
  6. Step 6: Final answer
    x = 106,639.25

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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.