Home / 122,467.40-183,701.10-90,974.60

Finding the Fourth Proportional to 122,467.40, 183,701.10 and 90,974.60

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Solution

The fourth proportional to 122,467.40, 183,701.10 and 90,974.60 is: 136,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,467.40 : 183,701.10 = 90,974.60 : x
  2. Step 2: Convert to fraction form
    122,467.40/183,701.10 = 90,974.60/x
  3. Step 3: Cross multiply
    122,467.40x = 183,701.10 × 90,974.60
  4. Step 4: Simplify right side
    122,467.40x = 16,712,134,092.06
  5. Step 5: Solve for x
    x = 16,712,134,092.06/122,467.40
  6. Step 6: Final answer
    x = 136,461.90

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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.