Home / 188,450.40-282,643.20-70,060.80

Finding the Fourth Proportional to 188,450.40, 282,643.20 and 70,060.80

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Solution

The fourth proportional to 188,450.40, 282,643.20 and 70,060.80 is: 105,079.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,450.40 : 282,643.20 = 70,060.80 : x
  2. Step 2: Convert to fraction form
    188,450.40/282,643.20 = 70,060.80/x
  3. Step 3: Cross multiply
    188,450.40x = 282,643.20 × 70,060.80
  4. Step 4: Simplify right side
    188,450.40x = 19,802,208,706.56
  5. Step 5: Solve for x
    x = 19,802,208,706.56/188,450.40
  6. Step 6: Final answer
    x = 105,079.15

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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.