Home / 187,721.46-281,583.12-47,480.22

Finding the Fourth Proportional to 187,721.46, 281,583.12 and 47,480.22

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Solution

The fourth proportional to 187,721.46, 281,583.12 and 47,480.22 is: 71,220.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,721.46 : 281,583.12 = 47,480.22 : x
  2. Step 2: Convert to fraction form
    187,721.46/281,583.12 = 47,480.22/x
  3. Step 3: Cross multiply
    187,721.46x = 281,583.12 × 47,480.22
  4. Step 4: Simplify right side
    187,721.46x = 13,369,628,485.89
  5. Step 5: Solve for x
    x = 13,369,628,485.89/187,721.46
  6. Step 6: Final answer
    x = 71,220.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.