Home / 157,318.30-217,179.73-106,599.07

Finding the Fourth Proportional to 157,318.30, 217,179.73 and 106,599.07

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Solution

The fourth proportional to 157,318.30, 217,179.73 and 106,599.07 is: 147,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,318.30 : 217,179.73 = 106,599.07 : x
  2. Step 2: Convert to fraction form
    157,318.30/217,179.73 = 106,599.07/x
  3. Step 3: Cross multiply
    157,318.30x = 217,179.73 × 106,599.07
  4. Step 4: Simplify right side
    157,318.30x = 23,151,157,240.85
  5. Step 5: Solve for x
    x = 23,151,157,240.85/157,318.30
  6. Step 6: Final answer
    x = 147,161.25

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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.