Home / 225,344.30-310,975.20-124,742.30

Finding the Fourth Proportional to 225,344.30, 310,975.20 and 124,742.30

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Solution

The fourth proportional to 225,344.30, 310,975.20 and 124,742.30 is: 172,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,344.30 : 310,975.20 = 124,742.30 : x
  2. Step 2: Convert to fraction form
    225,344.30/310,975.20 = 124,742.30/x
  3. Step 3: Cross multiply
    225,344.30x = 310,975.20 × 124,742.30
  4. Step 4: Simplify right side
    225,344.30x = 38,791,760,136.08
  5. Step 5: Solve for x
    x = 38,791,760,136.08/225,344.30
  6. Step 6: Final answer
    x = 172,144.41

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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.