Home / 156,693.42-235,045.62-51,520.50

Finding the Fourth Proportional to 156,693.42, 235,045.62 and 51,520.50

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Solution

The fourth proportional to 156,693.42, 235,045.62 and 51,520.50 is: 77,282.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,693.42 : 235,045.62 = 51,520.50 : x
  2. Step 2: Convert to fraction form
    156,693.42/235,045.62 = 51,520.50/x
  3. Step 3: Cross multiply
    156,693.42x = 235,045.62 × 51,520.50
  4. Step 4: Simplify right side
    156,693.42x = 12,109,667,865.21
  5. Step 5: Solve for x
    x = 12,109,667,865.21/156,693.42
  6. Step 6: Final answer
    x = 77,282.56

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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.