Home / 187,861.42-281,722.02-75,503.62

Finding the Fourth Proportional to 187,861.42, 281,722.02 and 75,503.62

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Solution

The fourth proportional to 187,861.42, 281,722.02 and 75,503.62 is: 113,227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,861.42 : 281,722.02 = 75,503.62 : x
  2. Step 2: Convert to fraction form
    187,861.42/281,722.02 = 75,503.62/x
  3. Step 3: Cross multiply
    187,861.42x = 281,722.02 × 75,503.62
  4. Step 4: Simplify right side
    187,861.42x = 21,271,032,343.71
  5. Step 5: Solve for x
    x = 21,271,032,343.71/187,861.42
  6. Step 6: Final answer
    x = 113,227.25

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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.