Home / 174,945.30-261,980.55-115,458.90

Finding the Fourth Proportional to 174,945.30, 261,980.55 and 115,458.90

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Solution

The fourth proportional to 174,945.30, 261,980.55 and 115,458.90 is: 172,899.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,945.30 : 261,980.55 = 115,458.90 : x
  2. Step 2: Convert to fraction form
    174,945.30/261,980.55 = 115,458.90/x
  3. Step 3: Cross multiply
    174,945.30x = 261,980.55 × 115,458.90
  4. Step 4: Simplify right side
    174,945.30x = 30,247,986,124.40
  5. Step 5: Solve for x
    x = 30,247,986,124.40/174,945.30
  6. Step 6: Final answer
    x = 172,899.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.