Home / 122,827.31-183,945.71-70,076.87

Finding the Fourth Proportional to 122,827.31, 183,945.71 and 70,076.87

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Solution

The fourth proportional to 122,827.31, 183,945.71 and 70,076.87 is: 104,946.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,827.31 : 183,945.71 = 70,076.87 : x
  2. Step 2: Convert to fraction form
    122,827.31/183,945.71 = 70,076.87/x
  3. Step 3: Cross multiply
    122,827.31x = 183,945.71 × 70,076.87
  4. Step 4: Simplify right side
    122,827.31x = 12,890,338,336.61
  5. Step 5: Solve for x
    x = 12,890,338,336.61/122,827.31
  6. Step 6: Final answer
    x = 104,946.85

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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.