Home / 155,920.64-233,614.08-131,120.96

Finding the Fourth Proportional to 155,920.64, 233,614.08 and 131,120.96

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Solution

The fourth proportional to 155,920.64, 233,614.08 and 131,120.96 is: 196,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,920.64 : 233,614.08 = 131,120.96 : x
  2. Step 2: Convert to fraction form
    155,920.64/233,614.08 = 131,120.96/x
  3. Step 3: Cross multiply
    155,920.64x = 233,614.08 × 131,120.96
  4. Step 4: Simplify right side
    155,920.64x = 30,631,702,439.12
  5. Step 5: Solve for x
    x = 30,631,702,439.12/155,920.64
  6. Step 6: Final answer
    x = 196,457.01

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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.