Home / 188,090.07-281,653.38-103,756.47

Finding the Fourth Proportional to 188,090.07, 281,653.38 and 103,756.47

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Solution

The fourth proportional to 188,090.07, 281,653.38 and 103,756.47 is: 155,368.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,090.07 : 281,653.38 = 103,756.47 : x
  2. Step 2: Convert to fraction form
    188,090.07/281,653.38 = 103,756.47/x
  3. Step 3: Cross multiply
    188,090.07x = 281,653.38 × 103,756.47
  4. Step 4: Simplify right side
    188,090.07x = 29,223,360,472.37
  5. Step 5: Solve for x
    x = 29,223,360,472.37/188,090.07
  6. Step 6: Final answer
    x = 155,368.97

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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.