Home / 172,078.36-237,372.42-159,900.55

Finding the Fourth Proportional to 172,078.36, 237,372.42 and 159,900.55

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Solution

The fourth proportional to 172,078.36, 237,372.42 and 159,900.55 is: 220,573.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,078.36 : 237,372.42 = 159,900.55 : x
  2. Step 2: Convert to fraction form
    172,078.36/237,372.42 = 159,900.55/x
  3. Step 3: Cross multiply
    172,078.36x = 237,372.42 × 159,900.55
  4. Step 4: Simplify right side
    172,078.36x = 37,955,980,519.03
  5. Step 5: Solve for x
    x = 37,955,980,519.03/172,078.36
  6. Step 6: Final answer
    x = 220,573.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.