Home / 84,567.20-116,345.04-82,234.40

Finding the Fourth Proportional to 84,567.20, 116,345.04 and 82,234.40

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Solution

The fourth proportional to 84,567.20, 116,345.04 and 82,234.40 is: 113,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,567.20 : 116,345.04 = 82,234.40 : x
  2. Step 2: Convert to fraction form
    84,567.20/116,345.04 = 82,234.40/x
  3. Step 3: Cross multiply
    84,567.20x = 116,345.04 × 82,234.40
  4. Step 4: Simplify right side
    84,567.20x = 9,567,564,557.38
  5. Step 5: Solve for x
    x = 9,567,564,557.38/84,567.20
  6. Step 6: Final answer
    x = 113,135.64

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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.