Home / 112,979.06-169,367.91-42,907.58

Finding the Fourth Proportional to 112,979.06, 169,367.91 and 42,907.58

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Solution

The fourth proportional to 112,979.06, 169,367.91 and 42,907.58 is: 64,323.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,979.06 : 169,367.91 = 42,907.58 : x
  2. Step 2: Convert to fraction form
    112,979.06/169,367.91 = 42,907.58/x
  3. Step 3: Cross multiply
    112,979.06x = 169,367.91 × 42,907.58
  4. Step 4: Simplify right side
    112,979.06x = 7,267,167,147.76
  5. Step 5: Solve for x
    x = 7,267,167,147.76/112,979.06
  6. Step 6: Final answer
    x = 64,323.13

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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.