Home / 133,529.50-200,189.76-70,266.88

Finding the Fourth Proportional to 133,529.50, 200,189.76 and 70,266.88

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Solution

The fourth proportional to 133,529.50, 200,189.76 and 70,266.88 is: 105,345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,529.50 : 200,189.76 = 70,266.88 : x
  2. Step 2: Convert to fraction form
    133,529.50/200,189.76 = 70,266.88/x
  3. Step 3: Cross multiply
    133,529.50x = 200,189.76 × 70,266.88
  4. Step 4: Simplify right side
    133,529.50x = 14,066,709,843.15
  5. Step 5: Solve for x
    x = 14,066,709,843.15/133,529.50
  6. Step 6: Final answer
    x = 105,345.33

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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.