Home / 126,790.08-174,980.16-70,206.72

Finding the Fourth Proportional to 126,790.08, 174,980.16 and 70,206.72

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Solution

The fourth proportional to 126,790.08, 174,980.16 and 70,206.72 is: 96,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,790.08 : 174,980.16 = 70,206.72 : x
  2. Step 2: Convert to fraction form
    126,790.08/174,980.16 = 70,206.72/x
  3. Step 3: Cross multiply
    126,790.08x = 174,980.16 × 70,206.72
  4. Step 4: Simplify right side
    126,790.08x = 12,284,783,098.68
  5. Step 5: Solve for x
    x = 12,284,783,098.68/126,790.08
  6. Step 6: Final answer
    x = 96,890.73

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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.