Home / 207,720.29-286,654.13-112,226.96

Finding the Fourth Proportional to 207,720.29, 286,654.13 and 112,226.96

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Solution

The fourth proportional to 207,720.29, 286,654.13 and 112,226.96 is: 154,873.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,720.29 : 286,654.13 = 112,226.96 : x
  2. Step 2: Convert to fraction form
    207,720.29/286,654.13 = 112,226.96/x
  3. Step 3: Cross multiply
    207,720.29x = 286,654.13 × 112,226.96
  4. Step 4: Simplify right side
    207,720.29x = 32,170,319,586.94
  5. Step 5: Solve for x
    x = 32,170,319,586.94/207,720.29
  6. Step 6: Final answer
    x = 154,873.27

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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.