Home / 143,506.15-215,267.33-43,669.60

Finding the Fourth Proportional to 143,506.15, 215,267.33 and 43,669.60

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Solution

The fourth proportional to 143,506.15, 215,267.33 and 43,669.60 is: 65,506.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,506.15 : 215,267.33 = 43,669.60 : x
  2. Step 2: Convert to fraction form
    143,506.15/215,267.33 = 43,669.60/x
  3. Step 3: Cross multiply
    143,506.15x = 215,267.33 × 43,669.60
  4. Step 4: Simplify right side
    143,506.15x = 9,400,638,194.17
  5. Step 5: Solve for x
    x = 9,400,638,194.17/143,506.15
  6. Step 6: Final answer
    x = 65,506.87

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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.