Home / 102,660.42-154,087.47-52,775.49

Finding the Fourth Proportional to 102,660.42, 154,087.47 and 52,775.49

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Solution

The fourth proportional to 102,660.42, 154,087.47 and 52,775.49 is: 79,213.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,660.42 : 154,087.47 = 52,775.49 : x
  2. Step 2: Convert to fraction form
    102,660.42/154,087.47 = 52,775.49/x
  3. Step 3: Cross multiply
    102,660.42x = 154,087.47 × 52,775.49
  4. Step 4: Simplify right side
    102,660.42x = 8,132,041,732.11
  5. Step 5: Solve for x
    x = 8,132,041,732.11/102,660.42
  6. Step 6: Final answer
    x = 79,213.02

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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.