Home / 98,815.56-148,117.14-42,682.20

Finding the Fourth Proportional to 98,815.56, 148,117.14 and 42,682.20

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Solution

The fourth proportional to 98,815.56, 148,117.14 and 42,682.20 is: 63,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,815.56 : 148,117.14 = 42,682.20 : x
  2. Step 2: Convert to fraction form
    98,815.56/148,117.14 = 42,682.20/x
  3. Step 3: Cross multiply
    98,815.56x = 148,117.14 × 42,682.20
  4. Step 4: Simplify right side
    98,815.56x = 6,321,965,392.91
  5. Step 5: Solve for x
    x = 6,321,965,392.91/98,815.56
  6. Step 6: Final answer
    x = 63,977.43

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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.