Home / 225,102.35-310,668.04-129,627.65

Finding the Fourth Proportional to 225,102.35, 310,668.04 and 129,627.65

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Solution

The fourth proportional to 225,102.35, 310,668.04 and 129,627.65 is: 178,901.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,102.35 : 310,668.04 = 129,627.65 : x
  2. Step 2: Convert to fraction form
    225,102.35/310,668.04 = 129,627.65/x
  3. Step 3: Cross multiply
    225,102.35x = 310,668.04 × 129,627.65
  4. Step 4: Simplify right side
    225,102.35x = 40,271,167,955.31
  5. Step 5: Solve for x
    x = 40,271,167,955.31/225,102.35
  6. Step 6: Final answer
    x = 178,901.59

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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.