Home / 124,209.84-171,354.20-83,910.64

Finding the Fourth Proportional to 124,209.84, 171,354.20 and 83,910.64

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Solution

The fourth proportional to 124,209.84, 171,354.20 and 83,910.64 is: 115,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,209.84 : 171,354.20 = 83,910.64 : x
  2. Step 2: Convert to fraction form
    124,209.84/171,354.20 = 83,910.64/x
  3. Step 3: Cross multiply
    124,209.84x = 171,354.20 × 83,910.64
  4. Step 4: Simplify right side
    124,209.84x = 14,378,440,588.69
  5. Step 5: Solve for x
    x = 14,378,440,588.69/124,209.84
  6. Step 6: Final answer
    x = 115,759.27

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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.