Home / 119,563.20-179,344.80-82,238.40

Finding the Fourth Proportional to 119,563.20, 179,344.80 and 82,238.40

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Solution

The fourth proportional to 119,563.20, 179,344.80 and 82,238.40 is: 123,357.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,563.20 : 179,344.80 = 82,238.40 : x
  2. Step 2: Convert to fraction form
    119,563.20/179,344.80 = 82,238.40/x
  3. Step 3: Cross multiply
    119,563.20x = 179,344.80 × 82,238.40
  4. Step 4: Simplify right side
    119,563.20x = 14,749,029,400.32
  5. Step 5: Solve for x
    x = 14,749,029,400.32/119,563.20
  6. Step 6: Final answer
    x = 123,357.60

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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.