Home / 133,115.52-199,769.63-52,074.50

Finding the Fourth Proportional to 133,115.52, 199,769.63 and 52,074.50

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Solution

The fourth proportional to 133,115.52, 199,769.63 and 52,074.50 is: 78,149.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,115.52 : 199,769.63 = 52,074.50 : x
  2. Step 2: Convert to fraction form
    133,115.52/199,769.63 = 52,074.50/x
  3. Step 3: Cross multiply
    133,115.52x = 199,769.63 × 52,074.50
  4. Step 4: Simplify right side
    133,115.52x = 10,402,903,754.84
  5. Step 5: Solve for x
    x = 10,402,903,754.84/133,115.52
  6. Step 6: Final answer
    x = 78,149.44

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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.