Home / 126,678.45-174,813.96-70,089.83

Finding the Fourth Proportional to 126,678.45, 174,813.96 and 70,089.83

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Solution

The fourth proportional to 126,678.45, 174,813.96 and 70,089.83 is: 96,722.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,678.45 : 174,813.96 = 70,089.83 : x
  2. Step 2: Convert to fraction form
    126,678.45/174,813.96 = 70,089.83/x
  3. Step 3: Cross multiply
    126,678.45x = 174,813.96 × 70,089.83
  4. Step 4: Simplify right side
    126,678.45x = 12,252,680,738.03
  5. Step 5: Solve for x
    x = 12,252,680,738.03/126,678.45
  6. Step 6: Final answer
    x = 96,722.69

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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.