Home / 126,109.62-174,022.55-70,927.21

Finding the Fourth Proportional to 126,109.62, 174,022.55 and 70,927.21

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Solution

The fourth proportional to 126,109.62, 174,022.55 and 70,927.21 is: 97,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,109.62 : 174,022.55 = 70,927.21 : x
  2. Step 2: Convert to fraction form
    126,109.62/174,022.55 = 70,927.21/x
  3. Step 3: Cross multiply
    126,109.62x = 174,022.55 × 70,927.21
  4. Step 4: Simplify right side
    126,109.62x = 12,342,933,948.59
  5. Step 5: Solve for x
    x = 12,342,933,948.59/126,109.62
  6. Step 6: Final answer
    x = 97,874.64

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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.