Home / 112,224.12-168,237.61-45,720.18

Finding the Fourth Proportional to 112,224.12, 168,237.61 and 45,720.18

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Solution

The fourth proportional to 112,224.12, 168,237.61 and 45,720.18 is: 68,540.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,224.12 : 168,237.61 = 45,720.18 : x
  2. Step 2: Convert to fraction form
    112,224.12/168,237.61 = 45,720.18/x
  3. Step 3: Cross multiply
    112,224.12x = 168,237.61 × 45,720.18
  4. Step 4: Simplify right side
    112,224.12x = 7,691,853,697.67
  5. Step 5: Solve for x
    x = 7,691,853,697.67/112,224.12
  6. Step 6: Final answer
    x = 68,540.11

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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.