Home / 213,982.12-295,291.70-118,486.77

Finding the Fourth Proportional to 213,982.12, 295,291.70 and 118,486.77

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Solution

The fourth proportional to 213,982.12, 295,291.70 and 118,486.77 is: 163,509.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,982.12 : 295,291.70 = 118,486.77 : x
  2. Step 2: Convert to fraction form
    213,982.12/295,291.70 = 118,486.77/x
  3. Step 3: Cross multiply
    213,982.12x = 295,291.70 × 118,486.77
  4. Step 4: Simplify right side
    213,982.12x = 34,988,158,929.68
  5. Step 5: Solve for x
    x = 34,988,158,929.68/213,982.12
  6. Step 6: Final answer
    x = 163,509.73

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1.5x scale

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.