Home / 183,787.68-253,562.40-120,162.72

Finding the Fourth Proportional to 183,787.68, 253,562.40 and 120,162.72

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Solution

The fourth proportional to 183,787.68, 253,562.40 and 120,162.72 is: 165,782.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,787.68 : 253,562.40 = 120,162.72 : x
  2. Step 2: Convert to fraction form
    183,787.68/253,562.40 = 120,162.72/x
  3. Step 3: Cross multiply
    183,787.68x = 253,562.40 × 120,162.72
  4. Step 4: Simplify right side
    183,787.68x = 30,468,747,673.73
  5. Step 5: Solve for x
    x = 30,468,747,673.73/183,787.68
  6. Step 6: Final answer
    x = 165,782.32

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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.