Home / 163,811.30-245,716.65-51,501.31

Finding the Fourth Proportional to 163,811.30, 245,716.65 and 51,501.31

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Solution

The fourth proportional to 163,811.30, 245,716.65 and 51,501.31 is: 77,251.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,811.30 : 245,716.65 = 51,501.31 : x
  2. Step 2: Convert to fraction form
    163,811.30/245,716.65 = 51,501.31/x
  3. Step 3: Cross multiply
    163,811.30x = 245,716.65 × 51,501.31
  4. Step 4: Simplify right side
    163,811.30x = 12,654,728,749.52
  5. Step 5: Solve for x
    x = 12,654,728,749.52/163,811.30
  6. Step 6: Final answer
    x = 77,251.87

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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.