Home / 105,819.40-158,604-46,531.06

Finding the Fourth Proportional to 105,819.40, 158,604 and 46,531.06

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Solution

The fourth proportional to 105,819.40, 158,604 and 46,531.06 is: 69,741.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,819.40 : 158,604 = 46,531.06 : x
  2. Step 2: Convert to fraction form
    105,819.40/158,604 = 46,531.06/x
  3. Step 3: Cross multiply
    105,819.40x = 158,604 × 46,531.06
  4. Step 4: Simplify right side
    105,819.40x = 7,380,012,240.24
  5. Step 5: Solve for x
    x = 7,380,012,240.24/105,819.40
  6. Step 6: Final answer
    x = 69,741.58

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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.