Home / 154,308.45-231,561.06-65,561.94

Finding the Fourth Proportional to 154,308.45, 231,561.06 and 65,561.94

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Solution

The fourth proportional to 154,308.45, 231,561.06 and 65,561.94 is: 98,384.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,308.45 : 231,561.06 = 65,561.94 : x
  2. Step 2: Convert to fraction form
    154,308.45/231,561.06 = 65,561.94/x
  3. Step 3: Cross multiply
    154,308.45x = 231,561.06 × 65,561.94
  4. Step 4: Simplify right side
    154,308.45x = 15,181,592,322.06
  5. Step 5: Solve for x
    x = 15,181,592,322.06/154,308.45
  6. Step 6: Final answer
    x = 98,384.71

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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.