Home / 163,916.20-245,896.20-57,287.80

Finding the Fourth Proportional to 163,916.20, 245,896.20 and 57,287.80

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Solution

The fourth proportional to 163,916.20, 245,896.20 and 57,287.80 is: 85,939.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,916.20 : 245,896.20 = 57,287.80 : x
  2. Step 2: Convert to fraction form
    163,916.20/245,896.20 = 57,287.80/x
  3. Step 3: Cross multiply
    163,916.20x = 245,896.20 × 57,287.80
  4. Step 4: Simplify right side
    163,916.20x = 14,086,852,326.36
  5. Step 5: Solve for x
    x = 14,086,852,326.36/163,916.20
  6. Step 6: Final answer
    x = 85,939.35

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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.