Home / 75,198.08-112,848.16-40,162.88

Finding the Fourth Proportional to 75,198.08, 112,848.16 and 40,162.88

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Solution

The fourth proportional to 75,198.08, 112,848.16 and 40,162.88 is: 60,271.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,198.08 : 112,848.16 = 40,162.88 : x
  2. Step 2: Convert to fraction form
    75,198.08/112,848.16 = 40,162.88/x
  3. Step 3: Cross multiply
    75,198.08x = 112,848.16 × 40,162.88
  4. Step 4: Simplify right side
    75,198.08x = 4,532,307,108.30
  5. Step 5: Solve for x
    x = 4,532,307,108.30/75,198.08
  6. Step 6: Final answer
    x = 60,271.58

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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.