Home / 187,398.45-258,615.99-106,824.51

Finding the Fourth Proportional to 187,398.45, 258,615.99 and 106,824.51

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Solution

The fourth proportional to 187,398.45, 258,615.99 and 106,824.51 is: 147,421.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,398.45 : 258,615.99 = 106,824.51 : x
  2. Step 2: Convert to fraction form
    187,398.45/258,615.99 = 106,824.51/x
  3. Step 3: Cross multiply
    187,398.45x = 258,615.99 × 106,824.51
  4. Step 4: Simplify right side
    187,398.45x = 27,626,526,409.91
  5. Step 5: Solve for x
    x = 27,626,526,409.91/187,398.45
  6. Step 6: Final answer
    x = 147,421.32

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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.