Home / 112,907.10-169,360.94-38,079.81

Finding the Fourth Proportional to 112,907.10, 169,360.94 and 38,079.81

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Solution

The fourth proportional to 112,907.10, 169,360.94 and 38,079.81 is: 57,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,907.10 : 169,360.94 = 38,079.81 : x
  2. Step 2: Convert to fraction form
    112,907.10/169,360.94 = 38,079.81/x
  3. Step 3: Cross multiply
    112,907.10x = 169,360.94 × 38,079.81
  4. Step 4: Simplify right side
    112,907.10x = 6,449,232,416.62
  5. Step 5: Solve for x
    x = 6,449,232,416.62/112,907.10
  6. Step 6: Final answer
    x = 57,119.81

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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.