Home / 112,979.40-169,436.70-34,074.60

Finding the Fourth Proportional to 112,979.40, 169,436.70 and 34,074.60

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Solution

The fourth proportional to 112,979.40, 169,436.70 and 34,074.60 is: 51,102.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,979.40 : 169,436.70 = 34,074.60 : x
  2. Step 2: Convert to fraction form
    112,979.40/169,436.70 = 34,074.60/x
  3. Step 3: Cross multiply
    112,979.40x = 169,436.70 × 34,074.60
  4. Step 4: Simplify right side
    112,979.40x = 5,773,487,777.82
  5. Step 5: Solve for x
    x = 5,773,487,777.82/112,979.40
  6. Step 6: Final answer
    x = 51,102.13

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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.