Home / 116,565.10-174,847.65-91,195.90

Finding the Fourth Proportional to 116,565.10, 174,847.65 and 91,195.90

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Solution

The fourth proportional to 116,565.10, 174,847.65 and 91,195.90 is: 136,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,565.10 : 174,847.65 = 91,195.90 : x
  2. Step 2: Convert to fraction form
    116,565.10/174,847.65 = 91,195.90/x
  3. Step 3: Cross multiply
    116,565.10x = 174,847.65 × 91,195.90
  4. Step 4: Simplify right side
    116,565.10x = 15,945,388,804.64
  5. Step 5: Solve for x
    x = 15,945,388,804.64/116,565.10
  6. Step 6: Final answer
    x = 136,793.85

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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.