Home / 187,147.13-258,262.70-106,574.67

Finding the Fourth Proportional to 187,147.13, 258,262.70 and 106,574.67

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Solution

The fourth proportional to 187,147.13, 258,262.70 and 106,574.67 is: 147,072.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,147.13 : 258,262.70 = 106,574.67 : x
  2. Step 2: Convert to fraction form
    187,147.13/258,262.70 = 106,574.67/x
  3. Step 3: Cross multiply
    187,147.13x = 258,262.70 × 106,574.67
  4. Step 4: Simplify right side
    187,147.13x = 27,524,261,492.94
  5. Step 5: Solve for x
    x = 27,524,261,492.94/187,147.13
  6. Step 6: Final answer
    x = 147,072.85

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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.