Home / 176,268.31-243,288.66-108,320.95

Finding the Fourth Proportional to 176,268.31, 243,288.66 and 108,320.95

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Solution

The fourth proportional to 176,268.31, 243,288.66 and 108,320.95 is: 149,506.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,268.31 : 243,288.66 = 108,320.95 : x
  2. Step 2: Convert to fraction form
    176,268.31/243,288.66 = 108,320.95/x
  3. Step 3: Cross multiply
    176,268.31x = 243,288.66 × 108,320.95
  4. Step 4: Simplify right side
    176,268.31x = 26,353,258,775.43
  5. Step 5: Solve for x
    x = 26,353,258,775.43/176,268.31
  6. Step 6: Final answer
    x = 149,506.50

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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.