Home / 150,865.10-208,192.98-82,880.61

Finding the Fourth Proportional to 150,865.10, 208,192.98 and 82,880.61

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Solution

The fourth proportional to 150,865.10, 208,192.98 and 82,880.61 is: 114,374.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,865.10 : 208,192.98 = 82,880.61 : x
  2. Step 2: Convert to fraction form
    150,865.10/208,192.98 = 82,880.61/x
  3. Step 3: Cross multiply
    150,865.10x = 208,192.98 × 82,880.61
  4. Step 4: Simplify right side
    150,865.10x = 17,255,161,960.84
  5. Step 5: Solve for x
    x = 17,255,161,960.84/150,865.10
  6. Step 6: Final answer
    x = 114,374.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.