Home / 187,506.80-258,728.28-106,940.18

Finding the Fourth Proportional to 187,506.80, 258,728.28 and 106,940.18

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Solution

The fourth proportional to 187,506.80, 258,728.28 and 106,940.18 is: 147,559.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,506.80 : 258,728.28 = 106,940.18 : x
  2. Step 2: Convert to fraction form
    187,506.80/258,728.28 = 106,940.18/x
  3. Step 3: Cross multiply
    187,506.80x = 258,728.28 × 106,940.18
  4. Step 4: Simplify right side
    187,506.80x = 27,668,448,834.29
  5. Step 5: Solve for x
    x = 27,668,448,834.29/187,506.80
  6. Step 6: Final answer
    x = 147,559.71

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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.