Home / 187,253.87-258,396.32-106,665.65

Finding the Fourth Proportional to 187,253.87, 258,396.32 and 106,665.65

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Solution

The fourth proportional to 187,253.87, 258,396.32 and 106,665.65 is: 147,190.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,253.87 : 258,396.32 = 106,665.65 : x
  2. Step 2: Convert to fraction form
    187,253.87/258,396.32 = 106,665.65/x
  3. Step 3: Cross multiply
    187,253.87x = 258,396.32 × 106,665.65
  4. Step 4: Simplify right side
    187,253.87x = 27,562,011,430.41
  5. Step 5: Solve for x
    x = 27,562,011,430.41/187,253.87
  6. Step 6: Final answer
    x = 147,190.61

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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.