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Finding the Fourth Proportional to 171,410.60, 236,303.16 and 126,008.48

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Solution

The fourth proportional to 171,410.60, 236,303.16 and 126,008.48 is: 173,712.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,410.60 : 236,303.16 = 126,008.48 : x
  2. Step 2: Convert to fraction form
    171,410.60/236,303.16 = 126,008.48/x
  3. Step 3: Cross multiply
    171,410.60x = 236,303.16 × 126,008.48
  4. Step 4: Simplify right side
    171,410.60x = 29,776,202,010.80
  5. Step 5: Solve for x
    x = 29,776,202,010.80/171,410.60
  6. Step 6: Final answer
    x = 173,712.72

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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.