Home / 188,386.17-259,968.74-102,342.93

Finding the Fourth Proportional to 188,386.17, 259,968.74 and 102,342.93

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Solution

The fourth proportional to 188,386.17, 259,968.74 and 102,342.93 is: 141,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,386.17 : 259,968.74 = 102,342.93 : x
  2. Step 2: Convert to fraction form
    188,386.17/259,968.74 = 102,342.93/x
  3. Step 3: Cross multiply
    188,386.17x = 259,968.74 × 102,342.93
  4. Step 4: Simplify right side
    188,386.17x = 26,605,962,048.29
  5. Step 5: Solve for x
    x = 26,605,962,048.29/188,386.17
  6. Step 6: Final answer
    x = 141,230.97

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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.