Home / 163,964.49-245,946.77-126,579.14

Finding the Fourth Proportional to 163,964.49, 245,946.77 and 126,579.14

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Solution

The fourth proportional to 163,964.49, 245,946.77 and 126,579.14 is: 189,868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,964.49 : 245,946.77 = 126,579.14 : x
  2. Step 2: Convert to fraction form
    163,964.49/245,946.77 = 126,579.14/x
  3. Step 3: Cross multiply
    163,964.49x = 245,946.77 × 126,579.14
  4. Step 4: Simplify right side
    163,964.49x = 31,131,730,632.38
  5. Step 5: Solve for x
    x = 31,131,730,632.38/163,964.49
  6. Step 6: Final answer
    x = 189,868.74

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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.