Home / 172,104.09-237,529.31-135,722.13

Finding the Fourth Proportional to 172,104.09, 237,529.31 and 135,722.13

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Solution

The fourth proportional to 172,104.09, 237,529.31 and 135,722.13 is: 187,316.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,104.09 : 237,529.31 = 135,722.13 : x
  2. Step 2: Convert to fraction form
    172,104.09/237,529.31 = 135,722.13/x
  3. Step 3: Cross multiply
    172,104.09x = 237,529.31 × 135,722.13
  4. Step 4: Simplify right side
    172,104.09x = 32,237,983,890.63
  5. Step 5: Solve for x
    x = 32,237,983,890.63/172,104.09
  6. Step 6: Final answer
    x = 187,316.78

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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.