Home / 143,342.57-215,022.06-43,506.02

Finding the Fourth Proportional to 143,342.57, 215,022.06 and 43,506.02

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Solution

The fourth proportional to 143,342.57, 215,022.06 and 43,506.02 is: 65,261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,342.57 : 215,022.06 = 43,506.02 : x
  2. Step 2: Convert to fraction form
    143,342.57/215,022.06 = 43,506.02/x
  3. Step 3: Cross multiply
    143,342.57x = 215,022.06 × 43,506.02
  4. Step 4: Simplify right side
    143,342.57x = 9,354,754,580.36
  5. Step 5: Solve for x
    x = 9,354,754,580.36/143,342.57
  6. Step 6: Final answer
    x = 65,261.52

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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.