Home / 187,558.08-258,820.81-106,982.61

Finding the Fourth Proportional to 187,558.08, 258,820.81 and 106,982.61

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Solution

The fourth proportional to 187,558.08, 258,820.81 and 106,982.61 is: 147,630.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,558.08 : 258,820.81 = 106,982.61 : x
  2. Step 2: Convert to fraction form
    187,558.08/258,820.81 = 106,982.61/x
  3. Step 3: Cross multiply
    187,558.08x = 258,820.81 × 106,982.61
  4. Step 4: Simplify right side
    187,558.08x = 27,689,325,776.11
  5. Step 5: Solve for x
    x = 27,689,325,776.11/187,558.08
  6. Step 6: Final answer
    x = 147,630.67

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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.