Home / 203,316.34-280,568.45-112,676.18

Finding the Fourth Proportional to 203,316.34, 280,568.45 and 112,676.18

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Solution

The fourth proportional to 203,316.34, 280,568.45 and 112,676.18 is: 155,488.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,316.34 : 280,568.45 = 112,676.18 : x
  2. Step 2: Convert to fraction form
    203,316.34/280,568.45 = 112,676.18/x
  3. Step 3: Cross multiply
    203,316.34x = 280,568.45 × 112,676.18
  4. Step 4: Simplify right side
    203,316.34x = 31,613,381,174.52
  5. Step 5: Solve for x
    x = 31,613,381,174.52/203,316.34
  6. Step 6: Final answer
    x = 155,488.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.