Home / 98,043.88-147,099.10-42,676.20

Finding the Fourth Proportional to 98,043.88, 147,099.10 and 42,676.20

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Solution

The fourth proportional to 98,043.88, 147,099.10 and 42,676.20 is: 64,028.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,043.88 : 147,099.10 = 42,676.20 : x
  2. Step 2: Convert to fraction form
    98,043.88/147,099.10 = 42,676.20/x
  3. Step 3: Cross multiply
    98,043.88x = 147,099.10 × 42,676.20
  4. Step 4: Simplify right side
    98,043.88x = 6,277,630,611.42
  5. Step 5: Solve for x
    x = 6,277,630,611.42/98,043.88
  6. Step 6: Final answer
    x = 64,028.79

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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.