Home / 187,424.45-281,136.68-54,304.80

Finding the Fourth Proportional to 187,424.45, 281,136.68 and 54,304.80

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Solution

The fourth proportional to 187,424.45, 281,136.68 and 54,304.80 is: 81,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,424.45 : 281,136.68 = 54,304.80 : x
  2. Step 2: Convert to fraction form
    187,424.45/281,136.68 = 54,304.80/x
  3. Step 3: Cross multiply
    187,424.45x = 281,136.68 × 54,304.80
  4. Step 4: Simplify right side
    187,424.45x = 15,267,071,180.06
  5. Step 5: Solve for x
    x = 15,267,071,180.06/187,424.45
  6. Step 6: Final answer
    x = 81,457.20

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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.