Home / 156,984.87-235,485.45-51,812.04

Finding the Fourth Proportional to 156,984.87, 235,485.45 and 51,812.04

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Solution

The fourth proportional to 156,984.87, 235,485.45 and 51,812.04 is: 77,720.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,984.87 : 235,485.45 = 51,812.04 : x
  2. Step 2: Convert to fraction form
    156,984.87/235,485.45 = 51,812.04/x
  3. Step 3: Cross multiply
    156,984.87x = 235,485.45 × 51,812.04
  4. Step 4: Simplify right side
    156,984.87x = 12,200,981,554.82
  5. Step 5: Solve for x
    x = 12,200,981,554.82/156,984.87
  6. Step 6: Final answer
    x = 77,720.75

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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.