Home / 225,301.04-310,984.72-129,871.52

Finding the Fourth Proportional to 225,301.04, 310,984.72 and 129,871.52

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Solution

The fourth proportional to 225,301.04, 310,984.72 and 129,871.52 is: 179,262.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,301.04 : 310,984.72 = 129,871.52 : x
  2. Step 2: Convert to fraction form
    225,301.04/310,984.72 = 129,871.52/x
  3. Step 3: Cross multiply
    225,301.04x = 310,984.72 × 129,871.52
  4. Step 4: Simplify right side
    225,301.04x = 40,388,058,283.17
  5. Step 5: Solve for x
    x = 40,388,058,283.17/225,301.04
  6. Step 6: Final answer
    x = 179,262.64

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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.