Home / 236,842.80-326,833.28-129,416.48

Finding the Fourth Proportional to 236,842.80, 326,833.28 and 129,416.48

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Solution

The fourth proportional to 236,842.80, 326,833.28 and 129,416.48 is: 178,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,842.80 : 326,833.28 = 129,416.48 : x
  2. Step 2: Convert to fraction form
    236,842.80/326,833.28 = 129,416.48/x
  3. Step 3: Cross multiply
    236,842.80x = 326,833.28 × 129,416.48
  4. Step 4: Simplify right side
    236,842.80x = 42,297,612,644.45
  5. Step 5: Solve for x
    x = 42,297,612,644.45/236,842.80
  6. Step 6: Final answer
    x = 178,589.40

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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.