Home / 98,447.23-147,633.91-77,632.46

Finding the Fourth Proportional to 98,447.23, 147,633.91 and 77,632.46

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Solution

The fourth proportional to 98,447.23, 147,633.91 and 77,632.46 is: 116,419.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,447.23 : 147,633.91 = 77,632.46 : x
  2. Step 2: Convert to fraction form
    98,447.23/147,633.91 = 77,632.46/x
  3. Step 3: Cross multiply
    98,447.23x = 147,633.91 × 77,632.46
  4. Step 4: Simplify right side
    98,447.23x = 11,461,183,234.10
  5. Step 5: Solve for x
    x = 11,461,183,234.10/98,447.23
  6. Step 6: Final answer
    x = 116,419.56

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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.