Home / 112,816.64-169,118.93-37,884.21

Finding the Fourth Proportional to 112,816.64, 169,118.93 and 37,884.21

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Solution

The fourth proportional to 112,816.64, 169,118.93 and 37,884.21 is: 56,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,816.64 : 169,118.93 = 37,884.21 : x
  2. Step 2: Convert to fraction form
    112,816.64/169,118.93 = 37,884.21/x
  3. Step 3: Cross multiply
    112,816.64x = 169,118.93 × 37,884.21
  4. Step 4: Simplify right side
    112,816.64x = 6,406,936,869.67
  5. Step 5: Solve for x
    x = 6,406,936,869.67/112,816.64
  6. Step 6: Final answer
    x = 56,790.71

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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.