Home / 112,215.85-154,855.60-64,467.97

Finding the Fourth Proportional to 112,215.85, 154,855.60 and 64,467.97

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Solution

The fourth proportional to 112,215.85, 154,855.60 and 64,467.97 is: 88,964.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,215.85 : 154,855.60 = 64,467.97 : x
  2. Step 2: Convert to fraction form
    112,215.85/154,855.60 = 64,467.97/x
  3. Step 3: Cross multiply
    112,215.85x = 154,855.60 × 64,467.97
  4. Step 4: Simplify right side
    112,215.85x = 9,983,226,175.13
  5. Step 5: Solve for x
    x = 9,983,226,175.13/112,215.85
  6. Step 6: Final answer
    x = 88,964.49

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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.