Home / 112,313.13-168,324.28-45,675.85

Finding the Fourth Proportional to 112,313.13, 168,324.28 and 45,675.85

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Solution

The fourth proportional to 112,313.13, 168,324.28 and 45,675.85 is: 68,454.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,313.13 : 168,324.28 = 45,675.85 : x
  2. Step 2: Convert to fraction form
    112,313.13/168,324.28 = 45,675.85/x
  3. Step 3: Cross multiply
    112,313.13x = 168,324.28 × 45,675.85
  4. Step 4: Simplify right side
    112,313.13x = 7,688,354,345.25
  5. Step 5: Solve for x
    x = 7,688,354,345.25/112,313.13
  6. Step 6: Final answer
    x = 68,454.63

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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.