Home / 126,500.20-174,567.78-69,913.96

Finding the Fourth Proportional to 126,500.20, 174,567.78 and 69,913.96

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Solution

The fourth proportional to 126,500.20, 174,567.78 and 69,913.96 is: 96,479.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,500.20 : 174,567.78 = 69,913.96 : x
  2. Step 2: Convert to fraction form
    126,500.20/174,567.78 = 69,913.96/x
  3. Step 3: Cross multiply
    126,500.20x = 174,567.78 × 69,913.96
  4. Step 4: Simplify right side
    126,500.20x = 12,204,724,788.21
  5. Step 5: Solve for x
    x = 12,204,724,788.21/126,500.20
  6. Step 6: Final answer
    x = 96,479.89

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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.