Home / 195,742.50-270,124.92-106,318.50

Finding the Fourth Proportional to 195,742.50, 270,124.92 and 106,318.50

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Solution

The fourth proportional to 195,742.50, 270,124.92 and 106,318.50 is: 146,719.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,742.50 : 270,124.92 = 106,318.50 : x
  2. Step 2: Convert to fraction form
    195,742.50/270,124.92 = 106,318.50/x
  3. Step 3: Cross multiply
    195,742.50x = 270,124.92 × 106,318.50
  4. Step 4: Simplify right side
    195,742.50x = 28,719,276,307.02
  5. Step 5: Solve for x
    x = 28,719,276,307.02/195,742.50
  6. Step 6: Final answer
    x = 146,719.68

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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.