Home / 99,253.12-148,887.87-31,795

Finding the Fourth Proportional to 99,253.12, 148,887.87 and 31,795

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Solution

The fourth proportional to 99,253.12, 148,887.87 and 31,795 is: 47,695.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,253.12 : 148,887.87 = 31,795 : x
  2. Step 2: Convert to fraction form
    99,253.12/148,887.87 = 31,795/x
  3. Step 3: Cross multiply
    99,253.12x = 148,887.87 × 31,795
  4. Step 4: Simplify right side
    99,253.12x = 4,733,889,826.65
  5. Step 5: Solve for x
    x = 4,733,889,826.65/99,253.12
  6. Step 6: Final answer
    x = 47,695.12

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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.