Home / 220,155.36-330,008.88-86,852.64

Finding the Fourth Proportional to 220,155.36, 330,008.88 and 86,852.64

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Solution

The fourth proportional to 220,155.36, 330,008.88 and 86,852.64 is: 130,190.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,155.36 : 330,008.88 = 86,852.64 : x
  2. Step 2: Convert to fraction form
    220,155.36/330,008.88 = 86,852.64/x
  3. Step 3: Cross multiply
    220,155.36x = 330,008.88 × 86,852.64
  4. Step 4: Simplify right side
    220,155.36x = 28,662,142,451.44
  5. Step 5: Solve for x
    x = 28,662,142,451.44/220,155.36
  6. Step 6: Final answer
    x = 130,190.53

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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.