Home / 187,647.90-258,889.83-107,017.46

Finding the Fourth Proportional to 187,647.90, 258,889.83 and 107,017.46

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Solution

The fourth proportional to 187,647.90, 258,889.83 and 107,017.46 is: 147,647.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,647.90 : 258,889.83 = 107,017.46 : x
  2. Step 2: Convert to fraction form
    187,647.90/258,889.83 = 107,017.46/x
  3. Step 3: Cross multiply
    187,647.90x = 258,889.83 × 107,017.46
  4. Step 4: Simplify right side
    187,647.90x = 27,705,732,026.43
  5. Step 5: Solve for x
    x = 27,705,732,026.43/187,647.90
  6. Step 6: Final answer
    x = 147,647.44

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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.