Home / 112,208.80-168,086.40-69,959.20

Finding the Fourth Proportional to 112,208.80, 168,086.40 and 69,959.20

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Solution

The fourth proportional to 112,208.80, 168,086.40 and 69,959.20 is: 104,797.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,208.80 : 168,086.40 = 69,959.20 : x
  2. Step 2: Convert to fraction form
    112,208.80/168,086.40 = 69,959.20/x
  3. Step 3: Cross multiply
    112,208.80x = 168,086.40 × 69,959.20
  4. Step 4: Simplify right side
    112,208.80x = 11,759,190,074.88
  5. Step 5: Solve for x
    x = 11,759,190,074.88/112,208.80
  6. Step 6: Final answer
    x = 104,797.40

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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.