Home / 236,649.49-326,574.66-129,219.46

Finding the Fourth Proportional to 236,649.49, 326,574.66 and 129,219.46

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Solution

The fourth proportional to 236,649.49, 326,574.66 and 129,219.46 is: 178,321.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,649.49 : 326,574.66 = 129,219.46 : x
  2. Step 2: Convert to fraction form
    236,649.49/326,574.66 = 129,219.46/x
  3. Step 3: Cross multiply
    236,649.49x = 326,574.66 × 129,219.46
  4. Step 4: Simplify right side
    236,649.49x = 42,199,801,214.88
  5. Step 5: Solve for x
    x = 42,199,801,214.88/236,649.49
  6. Step 6: Final answer
    x = 178,321.96

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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.