Home / 133,792.24-184,634.72-76,439.20

Finding the Fourth Proportional to 133,792.24, 184,634.72 and 76,439.20

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Solution

The fourth proportional to 133,792.24, 184,634.72 and 76,439.20 is: 105,486.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,792.24 : 184,634.72 = 76,439.20 : x
  2. Step 2: Convert to fraction form
    133,792.24/184,634.72 = 76,439.20/x
  3. Step 3: Cross multiply
    133,792.24x = 184,634.72 × 76,439.20
  4. Step 4: Simplify right side
    133,792.24x = 14,113,330,289.02
  5. Step 5: Solve for x
    x = 14,113,330,289.02/133,792.24
  6. Step 6: Final answer
    x = 105,486.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.