Home / 213,804.12-295,052.31-118,319.70

Finding the Fourth Proportional to 213,804.12, 295,052.31 and 118,319.70

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Solution

The fourth proportional to 213,804.12, 295,052.31 and 118,319.70 is: 163,282.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,804.12 : 295,052.31 = 118,319.70 : x
  2. Step 2: Convert to fraction form
    213,804.12/295,052.31 = 118,319.70/x
  3. Step 3: Cross multiply
    213,804.12x = 295,052.31 × 118,319.70
  4. Step 4: Simplify right side
    213,804.12x = 34,910,500,803.51
  5. Step 5: Solve for x
    x = 34,910,500,803.51/213,804.12
  6. Step 6: Final answer
    x = 163,282.64

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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.