Home / 187,648.32-281,473.06-45,493.02

Finding the Fourth Proportional to 187,648.32, 281,473.06 and 45,493.02

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Solution

The fourth proportional to 187,648.32, 281,473.06 and 45,493.02 is: 68,239.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,648.32 : 281,473.06 = 45,493.02 : x
  2. Step 2: Convert to fraction form
    187,648.32/281,473.06 = 45,493.02/x
  3. Step 3: Cross multiply
    187,648.32x = 281,473.06 × 45,493.02
  4. Step 4: Simplify right side
    187,648.32x = 12,805,059,548.04
  5. Step 5: Solve for x
    x = 12,805,059,548.04/187,648.32
  6. Step 6: Final answer
    x = 68,239.67

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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.