Home / 102,682.18-154,037.85-31,610.73

Finding the Fourth Proportional to 102,682.18, 154,037.85 and 31,610.73

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Solution

The fourth proportional to 102,682.18, 154,037.85 and 31,610.73 is: 47,420.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,682.18 : 154,037.85 = 31,610.73 : x
  2. Step 2: Convert to fraction form
    102,682.18/154,037.85 = 31,610.73/x
  3. Step 3: Cross multiply
    102,682.18x = 154,037.85 × 31,610.73
  4. Step 4: Simplify right side
    102,682.18x = 4,869,248,728.08
  5. Step 5: Solve for x
    x = 4,869,248,728.08/102,682.18
  6. Step 6: Final answer
    x = 47,420.58

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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.