Home / 112,308.12-154,996.62-64,563.48

Finding the Fourth Proportional to 112,308.12, 154,996.62 and 64,563.48

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Solution

The fourth proportional to 112,308.12, 154,996.62 and 64,563.48 is: 89,104.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,308.12 : 154,996.62 = 64,563.48 : x
  2. Step 2: Convert to fraction form
    112,308.12/154,996.62 = 64,563.48/x
  3. Step 3: Cross multiply
    112,308.12x = 154,996.62 × 64,563.48
  4. Step 4: Simplify right side
    112,308.12x = 10,007,121,175.44
  5. Step 5: Solve for x
    x = 10,007,121,175.44/112,308.12
  6. Step 6: Final answer
    x = 89,104.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.