Home / 112,309.20-168,415.20-45,727.20

Finding the Fourth Proportional to 112,309.20, 168,415.20 and 45,727.20

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Solution

The fourth proportional to 112,309.20, 168,415.20 and 45,727.20 is: 68,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,309.20 : 168,415.20 = 45,727.20 : x
  2. Step 2: Convert to fraction form
    112,309.20/168,415.20 = 45,727.20/x
  3. Step 3: Cross multiply
    112,309.20x = 168,415.20 × 45,727.20
  4. Step 4: Simplify right side
    112,309.20x = 7,701,155,533.44
  5. Step 5: Solve for x
    x = 7,701,155,533.44/112,309.20
  6. Step 6: Final answer
    x = 68,571.01

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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.