Home / 122,954.90-184,432.35-121,205.30

Finding the Fourth Proportional to 122,954.90, 184,432.35 and 121,205.30

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Solution

The fourth proportional to 122,954.90, 184,432.35 and 121,205.30 is: 181,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,954.90 : 184,432.35 = 121,205.30 : x
  2. Step 2: Convert to fraction form
    122,954.90/184,432.35 = 121,205.30/x
  3. Step 3: Cross multiply
    122,954.90x = 184,432.35 × 121,205.30
  4. Step 4: Simplify right side
    122,954.90x = 22,354,178,311.46
  5. Step 5: Solve for x
    x = 22,354,178,311.46/122,954.90
  6. Step 6: Final answer
    x = 181,807.95

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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.