Home / 122,962.60-184,443.90-87,533.20

Finding the Fourth Proportional to 122,962.60, 184,443.90 and 87,533.20

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Solution

The fourth proportional to 122,962.60, 184,443.90 and 87,533.20 is: 131,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,962.60 : 184,443.90 = 87,533.20 : x
  2. Step 2: Convert to fraction form
    122,962.60/184,443.90 = 87,533.20/x
  3. Step 3: Cross multiply
    122,962.60x = 184,443.90 × 87,533.20
  4. Step 4: Simplify right side
    122,962.60x = 16,144,964,787.48
  5. Step 5: Solve for x
    x = 16,144,964,787.48/122,962.60
  6. Step 6: Final answer
    x = 131,299.80

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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.