Home / 112,305.38-154,995.02-63,919.07

Finding the Fourth Proportional to 112,305.38, 154,995.02 and 63,919.07

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Solution

The fourth proportional to 112,305.38, 154,995.02 and 63,919.07 is: 88,216.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,305.38 : 154,995.02 = 63,919.07 : x
  2. Step 2: Convert to fraction form
    112,305.38/154,995.02 = 63,919.07/x
  3. Step 3: Cross multiply
    112,305.38x = 154,995.02 × 63,919.07
  4. Step 4: Simplify right side
    112,305.38x = 9,907,137,213.44
  5. Step 5: Solve for x
    x = 9,907,137,213.44/112,305.38
  6. Step 6: Final answer
    x = 88,216.05

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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.