Home / 163,711.43-245,566.38-45,382.38

Finding the Fourth Proportional to 163,711.43, 245,566.38 and 45,382.38

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Solution

The fourth proportional to 163,711.43, 245,566.38 and 45,382.38 is: 68,073.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,711.43 : 245,566.38 = 45,382.38 : x
  2. Step 2: Convert to fraction form
    163,711.43/245,566.38 = 45,382.38/x
  3. Step 3: Cross multiply
    163,711.43x = 245,566.38 × 45,382.38
  4. Step 4: Simplify right side
    163,711.43x = 11,144,386,021.69
  5. Step 5: Solve for x
    x = 11,144,386,021.69/163,711.43
  6. Step 6: Final answer
    x = 68,073.35

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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.