Home / 187,383.18-281,074.90-47,141.76

Finding the Fourth Proportional to 187,383.18, 281,074.90 and 47,141.76

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Solution

The fourth proportional to 187,383.18, 281,074.90 and 47,141.76 is: 70,712.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,383.18 : 281,074.90 = 47,141.76 : x
  2. Step 2: Convert to fraction form
    187,383.18/281,074.90 = 47,141.76/x
  3. Step 3: Cross multiply
    187,383.18x = 281,074.90 × 47,141.76
  4. Step 4: Simplify right side
    187,383.18x = 13,250,365,477.82
  5. Step 5: Solve for x
    x = 13,250,365,477.82/187,383.18
  6. Step 6: Final answer
    x = 70,712.67

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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.