Home / 213,171.45-294,175.17-117,678.12

Finding the Fourth Proportional to 213,171.45, 294,175.17 and 117,678.12

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Solution

The fourth proportional to 213,171.45, 294,175.17 and 117,678.12 is: 162,395.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,171.45 : 294,175.17 = 117,678.12 : x
  2. Step 2: Convert to fraction form
    213,171.45/294,175.17 = 117,678.12/x
  3. Step 3: Cross multiply
    213,171.45x = 294,175.17 × 117,678.12
  4. Step 4: Simplify right side
    213,171.45x = 34,617,980,956.28
  5. Step 5: Solve for x
    x = 34,617,980,956.28/213,171.45
  6. Step 6: Final answer
    x = 162,395.02

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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.