Home / 313,115.82-432,100.77-169,877.04

Finding the Fourth Proportional to 313,115.82, 432,100.77 and 169,877.04

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Solution

The fourth proportional to 313,115.82, 432,100.77 and 169,877.04 is: 234,430.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,115.82 : 432,100.77 = 169,877.04 : x
  2. Step 2: Convert to fraction form
    313,115.82/432,100.77 = 169,877.04/x
  3. Step 3: Cross multiply
    313,115.82x = 432,100.77 × 169,877.04
  4. Step 4: Simplify right side
    313,115.82x = 73,403,999,789.32
  5. Step 5: Solve for x
    x = 73,403,999,789.32/313,115.82
  6. Step 6: Final answer
    x = 234,430.82

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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.