Home / 112,188.30-168,314.34-45,676.17

Finding the Fourth Proportional to 112,188.30, 168,314.34 and 45,676.17

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Solution

The fourth proportional to 112,188.30, 168,314.34 and 45,676.17 is: 68,527.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,188.30 : 168,314.34 = 45,676.17 : x
  2. Step 2: Convert to fraction form
    112,188.30/168,314.34 = 45,676.17/x
  3. Step 3: Cross multiply
    112,188.30x = 168,314.34 × 45,676.17
  4. Step 4: Simplify right side
    112,188.30x = 7,687,954,407.28
  5. Step 5: Solve for x
    x = 7,687,954,407.28/112,188.30
  6. Step 6: Final answer
    x = 68,527.24

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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.