Home / 126,929.58-175,169.82-70,339.74

Finding the Fourth Proportional to 126,929.58, 175,169.82 and 70,339.74

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Solution

The fourth proportional to 126,929.58, 175,169.82 and 70,339.74 is: 97,072.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,929.58 : 175,169.82 = 70,339.74 : x
  2. Step 2: Convert to fraction form
    126,929.58/175,169.82 = 70,339.74/x
  3. Step 3: Cross multiply
    126,929.58x = 175,169.82 × 70,339.74
  4. Step 4: Simplify right side
    126,929.58x = 12,321,399,594.65
  5. Step 5: Solve for x
    x = 12,321,399,594.65/126,929.58
  6. Step 6: Final answer
    x = 97,072.72

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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.