Home / 207,387.21-286,191.17-116,742.89

Finding the Fourth Proportional to 207,387.21, 286,191.17 and 116,742.89

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Solution

The fourth proportional to 207,387.21, 286,191.17 and 116,742.89 is: 161,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,387.21 : 286,191.17 = 116,742.89 : x
  2. Step 2: Convert to fraction form
    207,387.21/286,191.17 = 116,742.89/x
  3. Step 3: Cross multiply
    207,387.21x = 286,191.17 × 116,742.89
  4. Step 4: Simplify right side
    207,387.21x = 33,410,784,278.28
  5. Step 5: Solve for x
    x = 33,410,784,278.28/207,387.21
  6. Step 6: Final answer
    x = 161,103.40

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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.