Home / 143,776.49-215,561.59-54,955.13

Finding the Fourth Proportional to 143,776.49, 215,561.59 and 54,955.13

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Solution

The fourth proportional to 143,776.49, 215,561.59 and 54,955.13 is: 82,393.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,776.49 : 215,561.59 = 54,955.13 : x
  2. Step 2: Convert to fraction form
    143,776.49/215,561.59 = 54,955.13/x
  3. Step 3: Cross multiply
    143,776.49x = 215,561.59 × 54,955.13
  4. Step 4: Simplify right side
    143,776.49x = 11,846,213,986.26
  5. Step 5: Solve for x
    x = 11,846,213,986.26/143,776.49
  6. Step 6: Final answer
    x = 82,393.26

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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.