Home / 171,914.12-237,180.66-112,332.68

Finding the Fourth Proportional to 171,914.12, 237,180.66 and 112,332.68

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Solution

The fourth proportional to 171,914.12, 237,180.66 and 112,332.68 is: 154,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,914.12 : 237,180.66 = 112,332.68 : x
  2. Step 2: Convert to fraction form
    171,914.12/237,180.66 = 112,332.68/x
  3. Step 3: Cross multiply
    171,914.12x = 237,180.66 × 112,332.68
  4. Step 4: Simplify right side
    171,914.12x = 26,643,139,181.97
  5. Step 5: Solve for x
    x = 26,643,139,181.97/171,914.12
  6. Step 6: Final answer
    x = 154,979.35

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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.