Home / 187,301.72-280,910.40-54,152.36

Finding the Fourth Proportional to 187,301.72, 280,910.40 and 54,152.36

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Solution

The fourth proportional to 187,301.72, 280,910.40 and 54,152.36 is: 81,216.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,301.72 : 280,910.40 = 54,152.36 : x
  2. Step 2: Convert to fraction form
    187,301.72/280,910.40 = 54,152.36/x
  3. Step 3: Cross multiply
    187,301.72x = 280,910.40 × 54,152.36
  4. Step 4: Simplify right side
    187,301.72x = 15,211,961,108.54
  5. Step 5: Solve for x
    x = 15,211,961,108.54/187,301.72
  6. Step 6: Final answer
    x = 81,216.34

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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.