Home / 112,309.32-168,470.46-42,189.24

Finding the Fourth Proportional to 112,309.32, 168,470.46 and 42,189.24

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Solution

The fourth proportional to 112,309.32, 168,470.46 and 42,189.24 is: 63,286.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,309.32 : 168,470.46 = 42,189.24 : x
  2. Step 2: Convert to fraction form
    112,309.32/168,470.46 = 42,189.24/x
  3. Step 3: Cross multiply
    112,309.32x = 168,470.46 × 42,189.24
  4. Step 4: Simplify right side
    112,309.32x = 7,107,640,669.85
  5. Step 5: Solve for x
    x = 7,107,640,669.85/112,309.32
  6. Step 6: Final answer
    x = 63,286.29

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1.5x scale

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.