Home / 100,670.45-151,006.58-30,549.76

Finding the Fourth Proportional to 100,670.45, 151,006.58 and 30,549.76

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Solution

The fourth proportional to 100,670.45, 151,006.58 and 30,549.76 is: 45,824.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,670.45 : 151,006.58 = 30,549.76 : x
  2. Step 2: Convert to fraction form
    100,670.45/151,006.58 = 30,549.76/x
  3. Step 3: Cross multiply
    100,670.45x = 151,006.58 × 30,549.76
  4. Step 4: Simplify right side
    100,670.45x = 4,613,214,777.42
  5. Step 5: Solve for x
    x = 4,613,214,777.42/100,670.45
  6. Step 6: Final answer
    x = 45,824.91

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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.