Home / 122,115.83-182,858.27-84,281.87

Finding the Fourth Proportional to 122,115.83, 182,858.27 and 84,281.87

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Solution

The fourth proportional to 122,115.83, 182,858.27 and 84,281.87 is: 126,205.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,115.83 : 182,858.27 = 84,281.87 : x
  2. Step 2: Convert to fraction form
    122,115.83/182,858.27 = 84,281.87/x
  3. Step 3: Cross multiply
    122,115.83x = 182,858.27 × 84,281.87
  4. Step 4: Simplify right side
    122,115.83x = 15,411,637,450.39
  5. Step 5: Solve for x
    x = 15,411,637,450.39/122,115.83
  6. Step 6: Final answer
    x = 126,205.08

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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.