Home / 133,081.60-183,659.52-76,498.24

Finding the Fourth Proportional to 133,081.60, 183,659.52 and 76,498.24

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Solution

The fourth proportional to 133,081.60, 183,659.52 and 76,498.24 is: 105,571.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,081.60 : 183,659.52 = 76,498.24 : x
  2. Step 2: Convert to fraction form
    133,081.60/183,659.52 = 76,498.24/x
  3. Step 3: Cross multiply
    133,081.60x = 183,659.52 × 76,498.24
  4. Step 4: Simplify right side
    133,081.60x = 14,049,630,039.24
  5. Step 5: Solve for x
    x = 14,049,630,039.24/133,081.60
  6. Step 6: Final answer
    x = 105,571.54

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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.