Home / 189,123.09-283,749.44-64,551.57

Finding the Fourth Proportional to 189,123.09, 283,749.44 and 64,551.57

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Solution

The fourth proportional to 189,123.09, 283,749.44 and 64,551.57 is: 96,849.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,123.09 : 283,749.44 = 64,551.57 : x
  2. Step 2: Convert to fraction form
    189,123.09/283,749.44 = 64,551.57/x
  3. Step 3: Cross multiply
    189,123.09x = 283,749.44 × 64,551.57
  4. Step 4: Simplify right side
    189,123.09x = 18,316,471,515.86
  5. Step 5: Solve for x
    x = 18,316,471,515.86/189,123.09
  6. Step 6: Final answer
    x = 96,849.47

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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.