Home / 188,005.67-259,460.16-103,122.72

Finding the Fourth Proportional to 188,005.67, 259,460.16 and 103,122.72

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Solution

The fourth proportional to 188,005.67, 259,460.16 and 103,122.72 is: 142,316.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,005.67 : 259,460.16 = 103,122.72 : x
  2. Step 2: Convert to fraction form
    188,005.67/259,460.16 = 103,122.72/x
  3. Step 3: Cross multiply
    188,005.67x = 259,460.16 × 103,122.72
  4. Step 4: Simplify right side
    188,005.67x = 26,756,237,430.84
  5. Step 5: Solve for x
    x = 26,756,237,430.84/188,005.67
  6. Step 6: Final answer
    x = 142,316.12

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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.