Home / 188,611.51-282,741.49-129,475.03

Finding the Fourth Proportional to 188,611.51, 282,741.49 and 129,475.03

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Solution

The fourth proportional to 188,611.51, 282,741.49 and 129,475.03 is: 194,091.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,611.51 : 282,741.49 = 129,475.03 : x
  2. Step 2: Convert to fraction form
    188,611.51/282,741.49 = 129,475.03/x
  3. Step 3: Cross multiply
    188,611.51x = 282,741.49 × 129,475.03
  4. Step 4: Simplify right side
    188,611.51x = 36,607,962,899.99
  5. Step 5: Solve for x
    x = 36,607,962,899.99/188,611.51
  6. Step 6: Final answer
    x = 194,091.88

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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.