Home / 187,785.64-281,679.10-47,544.20

Finding the Fourth Proportional to 187,785.64, 281,679.10 and 47,544.20

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Solution

The fourth proportional to 187,785.64, 281,679.10 and 47,544.20 is: 71,316.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,785.64 : 281,679.10 = 47,544.20 : x
  2. Step 2: Convert to fraction form
    187,785.64/281,679.10 = 47,544.20/x
  3. Step 3: Cross multiply
    187,785.64x = 281,679.10 × 47,544.20
  4. Step 4: Simplify right side
    187,785.64x = 13,392,207,466.22
  5. Step 5: Solve for x
    x = 13,392,207,466.22/187,785.64
  6. Step 6: Final answer
    x = 71,316.46

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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.