Home / 112,087.23-154,677.29-61,100.95

Finding the Fourth Proportional to 112,087.23, 154,677.29 and 61,100.95

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Solution

The fourth proportional to 112,087.23, 154,677.29 and 61,100.95 is: 84,317.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,087.23 : 154,677.29 = 61,100.95 : x
  2. Step 2: Convert to fraction form
    112,087.23/154,677.29 = 61,100.95/x
  3. Step 3: Cross multiply
    112,087.23x = 154,677.29 × 61,100.95
  4. Step 4: Simplify right side
    112,087.23x = 9,450,929,362.43
  5. Step 5: Solve for x
    x = 9,450,929,362.43/112,087.23
  6. Step 6: Final answer
    x = 84,317.63

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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.