Home / 143,329.50-215,039.61-64,450.62

Finding the Fourth Proportional to 143,329.50, 215,039.61 and 64,450.62

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Solution

The fourth proportional to 143,329.50, 215,039.61 and 64,450.62 is: 96,696.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,329.50 : 215,039.61 = 64,450.62 : x
  2. Step 2: Convert to fraction form
    143,329.50/215,039.61 = 64,450.62/x
  3. Step 3: Cross multiply
    143,329.50x = 215,039.61 × 64,450.62
  4. Step 4: Simplify right side
    143,329.50x = 13,859,436,189.06
  5. Step 5: Solve for x
    x = 13,859,436,189.06/143,329.50
  6. Step 6: Final answer
    x = 96,696.33

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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.