Home / 147,281.43-203,241.13-83,610.87

Finding the Fourth Proportional to 147,281.43, 203,241.13 and 83,610.87

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Solution

The fourth proportional to 147,281.43, 203,241.13 and 83,610.87 is: 115,378.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,281.43 : 203,241.13 = 83,610.87 : x
  2. Step 2: Convert to fraction form
    147,281.43/203,241.13 = 83,610.87/x
  3. Step 3: Cross multiply
    147,281.43x = 203,241.13 × 83,610.87
  4. Step 4: Simplify right side
    147,281.43x = 16,993,167,699.08
  5. Step 5: Solve for x
    x = 16,993,167,699.08/147,281.43
  6. Step 6: Final answer
    x = 115,378.89

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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.