Home / 217,468.13-300,106.55-126,886.37

Finding the Fourth Proportional to 217,468.13, 300,106.55 and 126,886.37

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Solution

The fourth proportional to 217,468.13, 300,106.55 and 126,886.37 is: 175,103.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,468.13 : 300,106.55 = 126,886.37 : x
  2. Step 2: Convert to fraction form
    217,468.13/300,106.55 = 126,886.37/x
  3. Step 3: Cross multiply
    217,468.13x = 300,106.55 × 126,886.37
  4. Step 4: Simplify right side
    217,468.13x = 38,079,429,559.41
  5. Step 5: Solve for x
    x = 38,079,429,559.41/217,468.13
  6. Step 6: Final answer
    x = 175,103.50

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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.