Home / 133,834.28-184,636.94-91,319.00

Finding the Fourth Proportional to 133,834.28, 184,636.94 and 91,319.00

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Solution

The fourth proportional to 133,834.28, 184,636.94 and 91,319.00 is: 125,983.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,834.28 : 184,636.94 = 91,319.00 : x
  2. Step 2: Convert to fraction form
    133,834.28/184,636.94 = 91,319.00/x
  3. Step 3: Cross multiply
    133,834.28x = 184,636.94 × 91,319.00
  4. Step 4: Simplify right side
    133,834.28x = 16,860,859,344.08
  5. Step 5: Solve for x
    x = 16,860,859,344.08/133,834.28
  6. Step 6: Final answer
    x = 125,983.12

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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.