Home / 188,038.09-281,791.93-103,836.16

Finding the Fourth Proportional to 188,038.09, 281,791.93 and 103,836.16

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Solution

The fourth proportional to 188,038.09, 281,791.93 and 103,836.16 is: 155,607.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,038.09 : 281,791.93 = 103,836.16 : x
  2. Step 2: Convert to fraction form
    188,038.09/281,791.93 = 103,836.16/x
  3. Step 3: Cross multiply
    188,038.09x = 281,791.93 × 103,836.16
  4. Step 4: Simplify right side
    188,038.09x = 29,260,191,930.19
  5. Step 5: Solve for x
    x = 29,260,191,930.19/188,038.09
  6. Step 6: Final answer
    x = 155,607.79

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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.