Home / 187,156.83-280,730.98-52,217.34

Finding the Fourth Proportional to 187,156.83, 280,730.98 and 52,217.34

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Solution

The fourth proportional to 187,156.83, 280,730.98 and 52,217.34 is: 78,324.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,156.83 : 280,730.98 = 52,217.34 : x
  2. Step 2: Convert to fraction form
    187,156.83/280,730.98 = 52,217.34/x
  3. Step 3: Cross multiply
    187,156.83x = 280,730.98 × 52,217.34
  4. Step 4: Simplify right side
    187,156.83x = 14,659,025,622.84
  5. Step 5: Solve for x
    x = 14,659,025,622.84/187,156.83
  6. Step 6: Final answer
    x = 78,324.82

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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.