Home / 187,664.51-258,976.89-101,623.46

Finding the Fourth Proportional to 187,664.51, 258,976.89 and 101,623.46

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Solution

The fourth proportional to 187,664.51, 258,976.89 and 101,623.46 is: 140,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,664.51 : 258,976.89 = 101,623.46 : x
  2. Step 2: Convert to fraction form
    187,664.51/258,976.89 = 101,623.46/x
  3. Step 3: Cross multiply
    187,664.51x = 258,976.89 × 101,623.46
  4. Step 4: Simplify right side
    187,664.51x = 26,318,127,621.84
  5. Step 5: Solve for x
    x = 26,318,127,621.84/187,664.51
  6. Step 6: Final answer
    x = 140,240.30

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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.