Home / 96,466.72-144,723.76-77,914.88

Finding the Fourth Proportional to 96,466.72, 144,723.76 and 77,914.88

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Solution

The fourth proportional to 96,466.72, 144,723.76 and 77,914.88 is: 116,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,466.72 : 144,723.76 = 77,914.88 : x
  2. Step 2: Convert to fraction form
    96,466.72/144,723.76 = 77,914.88/x
  3. Step 3: Cross multiply
    96,466.72x = 144,723.76 × 77,914.88
  4. Step 4: Simplify right side
    96,466.72x = 11,276,134,393.55
  5. Step 5: Solve for x
    x = 11,276,134,393.55/96,466.72
  6. Step 6: Final answer
    x = 116,891.45

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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.