Home / 171,236.90-236,279.30-107,529.60

Finding the Fourth Proportional to 171,236.90, 236,279.30 and 107,529.60

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Solution

The fourth proportional to 171,236.90, 236,279.30 and 107,529.60 is: 148,373.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,236.90 : 236,279.30 = 107,529.60 : x
  2. Step 2: Convert to fraction form
    171,236.90/236,279.30 = 107,529.60/x
  3. Step 3: Cross multiply
    171,236.90x = 236,279.30 × 107,529.60
  4. Step 4: Simplify right side
    171,236.90x = 25,407,018,617.28
  5. Step 5: Solve for x
    x = 25,407,018,617.28/171,236.90
  6. Step 6: Final answer
    x = 148,373.50

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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.