Home / 112,118.58-154,724.58-64,371.24

Finding the Fourth Proportional to 112,118.58, 154,724.58 and 64,371.24

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Solution

The fourth proportional to 112,118.58, 154,724.58 and 64,371.24 is: 88,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,118.58 : 154,724.58 = 64,371.24 : x
  2. Step 2: Convert to fraction form
    112,118.58/154,724.58 = 64,371.24/x
  3. Step 3: Cross multiply
    112,118.58x = 154,724.58 × 64,371.24
  4. Step 4: Simplify right side
    112,118.58x = 9,959,813,073.08
  5. Step 5: Solve for x
    x = 9,959,813,073.08/112,118.58
  6. Step 6: Final answer
    x = 88,832.85

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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.