Home / 187,017.10-280,622.85-81,846.70

Finding the Fourth Proportional to 187,017.10, 280,622.85 and 81,846.70

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Solution

The fourth proportional to 187,017.10, 280,622.85 and 81,846.70 is: 122,812.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,017.10 : 280,622.85 = 81,846.70 : x
  2. Step 2: Convert to fraction form
    187,017.10/280,622.85 = 81,846.70/x
  3. Step 3: Cross multiply
    187,017.10x = 280,622.85 × 81,846.70
  4. Step 4: Simplify right side
    187,017.10x = 22,968,054,217.10
  5. Step 5: Solve for x
    x = 22,968,054,217.10/187,017.10
  6. Step 6: Final answer
    x = 122,812.59

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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.