Home / 122,960.40-184,440.60-116,545.20

Finding the Fourth Proportional to 122,960.40, 184,440.60 and 116,545.20

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Solution

The fourth proportional to 122,960.40, 184,440.60 and 116,545.20 is: 174,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,960.40 : 184,440.60 = 116,545.20 : x
  2. Step 2: Convert to fraction form
    122,960.40/184,440.60 = 116,545.20/x
  3. Step 3: Cross multiply
    122,960.40x = 184,440.60 × 116,545.20
  4. Step 4: Simplify right side
    122,960.40x = 21,495,666,615.12
  5. Step 5: Solve for x
    x = 21,495,666,615.12/122,960.40
  6. Step 6: Final answer
    x = 174,817.80

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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.