Home / 211,928.96-292,468.19-121,314.03

Finding the Fourth Proportional to 211,928.96, 292,468.19 and 121,314.03

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Solution

The fourth proportional to 211,928.96, 292,468.19 and 121,314.03 is: 167,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,928.96 : 292,468.19 = 121,314.03 : x
  2. Step 2: Convert to fraction form
    211,928.96/292,468.19 = 121,314.03/x
  3. Step 3: Cross multiply
    211,928.96x = 292,468.19 × 121,314.03
  4. Step 4: Simplify right side
    211,928.96x = 35,480,494,918.53
  5. Step 5: Solve for x
    x = 35,480,494,918.53/211,928.96
  6. Step 6: Final answer
    x = 167,416.93

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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.