Home / 187,404.07-258,619.66-102,519.31

Finding the Fourth Proportional to 187,404.07, 258,619.66 and 102,519.31

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Solution

The fourth proportional to 187,404.07, 258,619.66 and 102,519.31 is: 141,477.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,404.07 : 258,619.66 = 102,519.31 : x
  2. Step 2: Convert to fraction form
    187,404.07/258,619.66 = 102,519.31/x
  3. Step 3: Cross multiply
    187,404.07x = 258,619.66 × 102,519.31
  4. Step 4: Simplify right side
    187,404.07x = 26,513,509,095.63
  5. Step 5: Solve for x
    x = 26,513,509,095.63/187,404.07
  6. Step 6: Final answer
    x = 141,477.77

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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.