Home / 187,238.48-258,369.60-106,649.18

Finding the Fourth Proportional to 187,238.48, 258,369.60 and 106,649.18

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Solution

The fourth proportional to 187,238.48, 258,369.60 and 106,649.18 is: 147,164.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,238.48 : 258,369.60 = 106,649.18 : x
  2. Step 2: Convert to fraction form
    187,238.48/258,369.60 = 106,649.18/x
  3. Step 3: Cross multiply
    187,238.48x = 258,369.60 × 106,649.18
  4. Step 4: Simplify right side
    187,238.48x = 27,554,905,976.93
  5. Step 5: Solve for x
    x = 27,554,905,976.93/187,238.48
  6. Step 6: Final answer
    x = 147,164.76

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1.5x scale

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.