Home / 120,207.48-180,352.58-53,693.52

Finding the Fourth Proportional to 120,207.48, 180,352.58 and 53,693.52

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Solution

The fourth proportional to 120,207.48, 180,352.58 and 53,693.52 is: 80,558.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,207.48 : 180,352.58 = 53,693.52 : x
  2. Step 2: Convert to fraction form
    120,207.48/180,352.58 = 53,693.52/x
  3. Step 3: Cross multiply
    120,207.48x = 180,352.58 × 53,693.52
  4. Step 4: Simplify right side
    120,207.48x = 9,683,764,861.28
  5. Step 5: Solve for x
    x = 9,683,764,861.28/120,207.48
  6. Step 6: Final answer
    x = 80,558.75

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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.