Home / 112,864.48-169,322.74-37,982.68

Finding the Fourth Proportional to 112,864.48, 169,322.74 and 37,982.68

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Solution

The fourth proportional to 112,864.48, 169,322.74 and 37,982.68 is: 56,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,864.48 : 169,322.74 = 37,982.68 : x
  2. Step 2: Convert to fraction form
    112,864.48/169,322.74 = 37,982.68/x
  3. Step 3: Cross multiply
    112,864.48x = 169,322.74 × 37,982.68
  4. Step 4: Simplify right side
    112,864.48x = 6,431,331,450.14
  5. Step 5: Solve for x
    x = 6,431,331,450.14/112,864.48
  6. Step 6: Final answer
    x = 56,982.78

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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.