Home / 143,477.49-215,204.97-43,637.52

Finding the Fourth Proportional to 143,477.49, 215,204.97 and 43,637.52

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Solution

The fourth proportional to 143,477.49, 215,204.97 and 43,637.52 is: 65,452.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,477.49 : 215,204.97 = 43,637.52 : x
  2. Step 2: Convert to fraction form
    143,477.49/215,204.97 = 43,637.52/x
  3. Step 3: Cross multiply
    143,477.49x = 215,204.97 × 43,637.52
  4. Step 4: Simplify right side
    143,477.49x = 9,391,011,182.47
  5. Step 5: Solve for x
    x = 9,391,011,182.47/143,477.49
  6. Step 6: Final answer
    x = 65,452.85

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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.