Home / 112,043.66-154,618.27-61,056.79

Finding the Fourth Proportional to 112,043.66, 154,618.27 and 61,056.79

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Solution

The fourth proportional to 112,043.66, 154,618.27 and 61,056.79 is: 84,257.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,043.66 : 154,618.27 = 61,056.79 : x
  2. Step 2: Convert to fraction form
    112,043.66/154,618.27 = 61,056.79/x
  3. Step 3: Cross multiply
    112,043.66x = 154,618.27 × 61,056.79
  4. Step 4: Simplify right side
    112,043.66x = 9,440,494,702.37
  5. Step 5: Solve for x
    x = 9,440,494,702.37/112,043.66
  6. Step 6: Final answer
    x = 84,257.29

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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.