Home / 188,013.60-259,442.28-107,425.08

Finding the Fourth Proportional to 188,013.60, 259,442.28 and 107,425.08

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Solution

The fourth proportional to 188,013.60, 259,442.28 and 107,425.08 is: 148,237.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,013.60 : 259,442.28 = 107,425.08 : x
  2. Step 2: Convert to fraction form
    188,013.60/259,442.28 = 107,425.08/x
  3. Step 3: Cross multiply
    188,013.60x = 259,442.28 × 107,425.08
  4. Step 4: Simplify right side
    188,013.60x = 27,870,607,684.38
  5. Step 5: Solve for x
    x = 27,870,607,684.38/188,013.60
  6. Step 6: Final answer
    x = 148,237.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.