Home / 126,253.04-174,234.84-72,555.44

Finding the Fourth Proportional to 126,253.04, 174,234.84 and 72,555.44

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Solution

The fourth proportional to 126,253.04, 174,234.84 and 72,555.44 is: 100,129.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,253.04 : 174,234.84 = 72,555.44 : x
  2. Step 2: Convert to fraction form
    126,253.04/174,234.84 = 72,555.44/x
  3. Step 3: Cross multiply
    126,253.04x = 174,234.84 × 72,555.44
  4. Step 4: Simplify right side
    126,253.04x = 12,641,685,479.53
  5. Step 5: Solve for x
    x = 12,641,685,479.53/126,253.04
  6. Step 6: Final answer
    x = 100,129.75

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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.