Home / 236,723.40-326,680.08-129,291.48

Finding the Fourth Proportional to 236,723.40, 326,680.08 and 129,291.48

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Solution

The fourth proportional to 236,723.40, 326,680.08 and 129,291.48 is: 178,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,723.40 : 326,680.08 = 129,291.48 : x
  2. Step 2: Convert to fraction form
    236,723.40/326,680.08 = 129,291.48/x
  3. Step 3: Cross multiply
    236,723.40x = 326,680.08 × 129,291.48
  4. Step 4: Simplify right side
    236,723.40x = 42,236,951,029.72
  5. Step 5: Solve for x
    x = 42,236,951,029.72/236,723.40
  6. Step 6: Final answer
    x = 178,423.22

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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.