Home / 125,836.73-173,662.16-72,125.22

Finding the Fourth Proportional to 125,836.73, 173,662.16 and 72,125.22

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Solution

The fourth proportional to 125,836.73, 173,662.16 and 72,125.22 is: 99,537.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,836.73 : 173,662.16 = 72,125.22 : x
  2. Step 2: Convert to fraction form
    125,836.73/173,662.16 = 72,125.22/x
  3. Step 3: Cross multiply
    125,836.73x = 173,662.16 × 72,125.22
  4. Step 4: Simplify right side
    125,836.73x = 12,525,421,495.68
  5. Step 5: Solve for x
    x = 12,525,421,495.68/125,836.73
  6. Step 6: Final answer
    x = 99,537.09

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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.