Home / 236,912.40-326,934.24-129,483.20

Finding the Fourth Proportional to 236,912.40, 326,934.24 and 129,483.20

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Solution

The fourth proportional to 236,912.40, 326,934.24 and 129,483.20 is: 178,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,912.40 : 326,934.24 = 129,483.20 : x
  2. Step 2: Convert to fraction form
    236,912.40/326,934.24 = 129,483.20/x
  3. Step 3: Cross multiply
    236,912.40x = 326,934.24 × 129,483.20
  4. Step 4: Simplify right side
    236,912.40x = 42,332,489,950.10
  5. Step 5: Solve for x
    x = 42,332,489,950.10/236,912.40
  6. Step 6: Final answer
    x = 178,684.15

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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.