Home / 122,962.80-184,444.20-87,711.60

Finding the Fourth Proportional to 122,962.80, 184,444.20 and 87,711.60

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Solution

The fourth proportional to 122,962.80, 184,444.20 and 87,711.60 is: 131,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,962.80 : 184,444.20 = 87,711.60 : x
  2. Step 2: Convert to fraction form
    122,962.80/184,444.20 = 87,711.60/x
  3. Step 3: Cross multiply
    122,962.80x = 184,444.20 × 87,711.60
  4. Step 4: Simplify right side
    122,962.80x = 16,177,895,892.72
  5. Step 5: Solve for x
    x = 16,177,895,892.72/122,962.80
  6. Step 6: Final answer
    x = 131,567.40

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1.5x scale

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.