Home / 119,817.20-179,725.80-57,455.60

Finding the Fourth Proportional to 119,817.20, 179,725.80 and 57,455.60

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Solution

The fourth proportional to 119,817.20, 179,725.80 and 57,455.60 is: 86,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,817.20 : 179,725.80 = 57,455.60 : x
  2. Step 2: Convert to fraction form
    119,817.20/179,725.80 = 57,455.60/x
  3. Step 3: Cross multiply
    119,817.20x = 179,725.80 × 57,455.60
  4. Step 4: Simplify right side
    119,817.20x = 10,326,253,674.48
  5. Step 5: Solve for x
    x = 10,326,253,674.48/119,817.20
  6. Step 6: Final answer
    x = 86,183.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.