Home / 187,719.48-259,055.82-102,830.94

Finding the Fourth Proportional to 187,719.48, 259,055.82 and 102,830.94

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Solution

The fourth proportional to 187,719.48, 259,055.82 and 102,830.94 is: 141,908.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,719.48 : 259,055.82 = 102,830.94 : x
  2. Step 2: Convert to fraction form
    187,719.48/259,055.82 = 102,830.94/x
  3. Step 3: Cross multiply
    187,719.48x = 259,055.82 × 102,830.94
  4. Step 4: Simplify right side
    187,719.48x = 26,638,953,483.07
  5. Step 5: Solve for x
    x = 26,638,953,483.07/187,719.48
  6. Step 6: Final answer
    x = 141,908.31

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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.