Home / 236,520.48-326,399.16-129,092.88

Finding the Fourth Proportional to 236,520.48, 326,399.16 and 129,092.88

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Solution

The fourth proportional to 236,520.48, 326,399.16 and 129,092.88 is: 178,148.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,520.48 : 326,399.16 = 129,092.88 : x
  2. Step 2: Convert to fraction form
    236,520.48/326,399.16 = 129,092.88/x
  3. Step 3: Cross multiply
    236,520.48x = 326,399.16 × 129,092.88
  4. Step 4: Simplify right side
    236,520.48x = 42,135,807,593.98
  5. Step 5: Solve for x
    x = 42,135,807,593.98/236,520.48
  6. Step 6: Final answer
    x = 178,148.66

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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.