Home / 112,974.32-169,467.96-42,852.08

Finding the Fourth Proportional to 112,974.32, 169,467.96 and 42,852.08

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Solution

The fourth proportional to 112,974.32, 169,467.96 and 42,852.08 is: 64,280.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,974.32 : 169,467.96 = 42,852.08 : x
  2. Step 2: Convert to fraction form
    112,974.32/169,467.96 = 42,852.08/x
  3. Step 3: Cross multiply
    112,974.32x = 169,467.96 × 42,852.08
  4. Step 4: Simplify right side
    112,974.32x = 7,262,054,579.36
  5. Step 5: Solve for x
    x = 7,262,054,579.36/112,974.32
  6. Step 6: Final answer
    x = 64,280.58

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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.