Home / 154,979.88-213,817.23-101,295.89

Finding the Fourth Proportional to 154,979.88, 213,817.23 and 101,295.89

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Solution

The fourth proportional to 154,979.88, 213,817.23 and 101,295.89 is: 139,752.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,979.88 : 213,817.23 = 101,295.89 : x
  2. Step 2: Convert to fraction form
    154,979.88/213,817.23 = 101,295.89/x
  3. Step 3: Cross multiply
    154,979.88x = 213,817.23 × 101,295.89
  4. Step 4: Simplify right side
    154,979.88x = 21,658,805,541.10
  5. Step 5: Solve for x
    x = 21,658,805,541.10/154,979.88
  6. Step 6: Final answer
    x = 139,752.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.