Home / 112,936.77-169,433.96-42,817.41

Finding the Fourth Proportional to 112,936.77, 169,433.96 and 42,817.41

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Solution

The fourth proportional to 112,936.77, 169,433.96 and 42,817.41 is: 64,237.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,936.77 : 169,433.96 = 42,817.41 : x
  2. Step 2: Convert to fraction form
    112,936.77/169,433.96 = 42,817.41/x
  3. Step 3: Cross multiply
    112,936.77x = 169,433.96 × 42,817.41
  4. Step 4: Simplify right side
    112,936.77x = 7,254,723,119.16
  5. Step 5: Solve for x
    x = 7,254,723,119.16/112,936.77
  6. Step 6: Final answer
    x = 64,237.03

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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.