Home / 145,125.83-217,691.25-50,359.32

Finding the Fourth Proportional to 145,125.83, 217,691.25 and 50,359.32

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Solution

The fourth proportional to 145,125.83, 217,691.25 and 50,359.32 is: 75,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,125.83 : 217,691.25 = 50,359.32 : x
  2. Step 2: Convert to fraction form
    145,125.83/217,691.25 = 50,359.32/x
  3. Step 3: Cross multiply
    145,125.83x = 217,691.25 × 50,359.32
  4. Step 4: Simplify right side
    145,125.83x = 10,962,783,131.10
  5. Step 5: Solve for x
    x = 10,962,783,131.10/145,125.83
  6. Step 6: Final answer
    x = 75,539.85

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1.5x scale

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.