Home / 102,946.79-154,464.57-39,811.34

Finding the Fourth Proportional to 102,946.79, 154,464.57 and 39,811.34

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Solution

The fourth proportional to 102,946.79, 154,464.57 and 39,811.34 is: 59,734.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,946.79 : 154,464.57 = 39,811.34 : x
  2. Step 2: Convert to fraction form
    102,946.79/154,464.57 = 39,811.34/x
  3. Step 3: Cross multiply
    102,946.79x = 154,464.57 × 39,811.34
  4. Step 4: Simplify right side
    102,946.79x = 6,149,441,900.39
  5. Step 5: Solve for x
    x = 6,149,441,900.39/102,946.79
  6. Step 6: Final answer
    x = 59,734.18

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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.