Home / 145,458.88-218,211.56-50,716.33

Finding the Fourth Proportional to 145,458.88, 218,211.56 and 50,716.33

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Solution

The fourth proportional to 145,458.88, 218,211.56 and 50,716.33 is: 76,082.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,458.88 : 218,211.56 = 50,716.33 : x
  2. Step 2: Convert to fraction form
    145,458.88/218,211.56 = 50,716.33/x
  3. Step 3: Cross multiply
    145,458.88x = 218,211.56 × 50,716.33
  4. Step 4: Simplify right side
    145,458.88x = 11,066,889,486.77
  5. Step 5: Solve for x
    x = 11,066,889,486.77/145,458.88
  6. Step 6: Final answer
    x = 76,082.60

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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.