Home / 144,450.40-216,675.60-143,528.80

Finding the Fourth Proportional to 144,450.40, 216,675.60 and 143,528.80

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Solution

The fourth proportional to 144,450.40, 216,675.60 and 143,528.80 is: 215,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,450.40 : 216,675.60 = 143,528.80 : x
  2. Step 2: Convert to fraction form
    144,450.40/216,675.60 = 143,528.80/x
  3. Step 3: Cross multiply
    144,450.40x = 216,675.60 × 143,528.80
  4. Step 4: Simplify right side
    144,450.40x = 31,099,188,857.28
  5. Step 5: Solve for x
    x = 31,099,188,857.28/144,450.40
  6. Step 6: Final answer
    x = 215,293.20

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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.