Home / 187,058.08-280,553.37-53,905.60

Finding the Fourth Proportional to 187,058.08, 280,553.37 and 53,905.60

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Solution

The fourth proportional to 187,058.08, 280,553.37 and 53,905.60 is: 80,848.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,058.08 : 280,553.37 = 53,905.60 : x
  2. Step 2: Convert to fraction form
    187,058.08/280,553.37 = 53,905.60/x
  3. Step 3: Cross multiply
    187,058.08x = 280,553.37 × 53,905.60
  4. Step 4: Simplify right side
    187,058.08x = 15,123,397,741.87
  5. Step 5: Solve for x
    x = 15,123,397,741.87/187,058.08
  6. Step 6: Final answer
    x = 80,848.67

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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.