Home / 112,010.06-154,579.65-61,709.06

Finding the Fourth Proportional to 112,010.06, 154,579.65 and 61,709.06

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Solution

The fourth proportional to 112,010.06, 154,579.65 and 61,709.06 is: 85,161.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,010.06 : 154,579.65 = 61,709.06 : x
  2. Step 2: Convert to fraction form
    112,010.06/154,579.65 = 61,709.06/x
  3. Step 3: Cross multiply
    112,010.06x = 154,579.65 × 61,709.06
  4. Step 4: Simplify right side
    112,010.06x = 9,538,964,896.63
  5. Step 5: Solve for x
    x = 9,538,964,896.63/112,010.06
  6. Step 6: Final answer
    x = 85,161.68

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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.