Home / 154,986.13-213,825.85-101,302.14

Finding the Fourth Proportional to 154,986.13, 213,825.85 and 101,302.14

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Solution

The fourth proportional to 154,986.13, 213,825.85 and 101,302.14 is: 139,761.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,986.13 : 213,825.85 = 101,302.14 : x
  2. Step 2: Convert to fraction form
    154,986.13/213,825.85 = 101,302.14/x
  3. Step 3: Cross multiply
    154,986.13x = 213,825.85 × 101,302.14
  4. Step 4: Simplify right side
    154,986.13x = 21,661,016,192.32
  5. Step 5: Solve for x
    x = 21,661,016,192.32/154,986.13
  6. Step 6: Final answer
    x = 139,761.00

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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.