Home / 176,268.81-243,289.35-108,321.45

Finding the Fourth Proportional to 176,268.81, 243,289.35 and 108,321.45

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Solution

The fourth proportional to 176,268.81, 243,289.35 and 108,321.45 is: 149,507.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,268.81 : 243,289.35 = 108,321.45 : x
  2. Step 2: Convert to fraction form
    176,268.81/243,289.35 = 108,321.45/x
  3. Step 3: Cross multiply
    176,268.81x = 243,289.35 × 108,321.45
  4. Step 4: Simplify right side
    176,268.81x = 26,353,455,161.56
  5. Step 5: Solve for x
    x = 26,353,455,161.56/176,268.81
  6. Step 6: Final answer
    x = 149,507.19

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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.