Home / 163,616.49-245,397.40-45,299.79

Finding the Fourth Proportional to 163,616.49, 245,397.40 and 45,299.79

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Solution

The fourth proportional to 163,616.49, 245,397.40 and 45,299.79 is: 67,942.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,616.49 : 245,397.40 = 45,299.79 : x
  2. Step 2: Convert to fraction form
    163,616.49/245,397.40 = 45,299.79/x
  3. Step 3: Cross multiply
    163,616.49x = 245,397.40 × 45,299.79
  4. Step 4: Simplify right side
    163,616.49x = 11,116,450,573.30
  5. Step 5: Solve for x
    x = 11,116,450,573.30/163,616.49
  6. Step 6: Final answer
    x = 67,942.12

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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.