Home / 122,960.10-184,440.15-115,572.90

Finding the Fourth Proportional to 122,960.10, 184,440.15 and 115,572.90

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Solution

The fourth proportional to 122,960.10, 184,440.15 and 115,572.90 is: 173,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,960.10 : 184,440.15 = 115,572.90 : x
  2. Step 2: Convert to fraction form
    122,960.10/184,440.15 = 115,572.90/x
  3. Step 3: Cross multiply
    122,960.10x = 184,440.15 × 115,572.90
  4. Step 4: Simplify right side
    122,960.10x = 21,316,283,011.94
  5. Step 5: Solve for x
    x = 21,316,283,011.94/122,960.10
  6. Step 6: Final answer
    x = 173,359.35

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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.