Home / 236,759.16-326,715.75-129,309.42

Finding the Fourth Proportional to 236,759.16, 326,715.75 and 129,309.42

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Solution

The fourth proportional to 236,759.16, 326,715.75 and 129,309.42 is: 178,440.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,759.16 : 326,715.75 = 129,309.42 : x
  2. Step 2: Convert to fraction form
    236,759.16/326,715.75 = 129,309.42/x
  3. Step 3: Cross multiply
    236,759.16x = 326,715.75 × 129,309.42
  4. Step 4: Simplify right side
    236,759.16x = 42,247,424,137.37
  5. Step 5: Solve for x
    x = 42,247,424,137.37/236,759.16
  6. Step 6: Final answer
    x = 178,440.51

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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.