Home / 213,823.91-320,984.33-125,141.06

Finding the Fourth Proportional to 213,823.91, 320,984.33 and 125,141.06

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Solution

The fourth proportional to 213,823.91, 320,984.33 and 125,141.06 is: 187,857.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,823.91 : 320,984.33 = 125,141.06 : x
  2. Step 2: Convert to fraction form
    213,823.91/320,984.33 = 125,141.06/x
  3. Step 3: Cross multiply
    213,823.91x = 320,984.33 × 125,141.06
  4. Step 4: Simplify right side
    213,823.91x = 40,168,317,068.96
  5. Step 5: Solve for x
    x = 40,168,317,068.96/213,823.91
  6. Step 6: Final answer
    x = 187,857.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.