Home / 145,100.56-217,519.32-51,584.24

Finding the Fourth Proportional to 145,100.56, 217,519.32 and 51,584.24

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Solution

The fourth proportional to 145,100.56, 217,519.32 and 51,584.24 is: 77,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,100.56 : 217,519.32 = 51,584.24 : x
  2. Step 2: Convert to fraction form
    145,100.56/217,519.32 = 51,584.24/x
  3. Step 3: Cross multiply
    145,100.56x = 217,519.32 × 51,584.24
  4. Step 4: Simplify right side
    145,100.56x = 11,220,568,807.52
  5. Step 5: Solve for x
    x = 11,220,568,807.52/145,100.56
  6. Step 6: Final answer
    x = 77,329.60

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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.