Home / 112,164.33-168,278.29-45,652.20

Finding the Fourth Proportional to 112,164.33, 168,278.29 and 45,652.20

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Solution

The fourth proportional to 112,164.33, 168,278.29 and 45,652.20 is: 68,491.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,164.33 : 168,278.29 = 45,652.20 : x
  2. Step 2: Convert to fraction form
    112,164.33/168,278.29 = 45,652.20/x
  3. Step 3: Cross multiply
    112,164.33x = 168,278.29 × 45,652.20
  4. Step 4: Simplify right side
    112,164.33x = 7,682,274,150.74
  5. Step 5: Solve for x
    x = 7,682,274,150.74/112,164.33
  6. Step 6: Final answer
    x = 68,491.24

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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.