Home / 236,912.32-326,938.24-129,482.32

Finding the Fourth Proportional to 236,912.32, 326,938.24 and 129,482.32

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Solution

The fourth proportional to 236,912.32, 326,938.24 and 129,482.32 is: 178,685.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,912.32 : 326,938.24 = 129,482.32 : x
  2. Step 2: Convert to fraction form
    236,912.32/326,938.24 = 129,482.32/x
  3. Step 3: Cross multiply
    236,912.32x = 326,938.24 × 129,482.32
  4. Step 4: Simplify right side
    236,912.32x = 42,332,721,811.92
  5. Step 5: Solve for x
    x = 42,332,721,811.92/236,912.32
  6. Step 6: Final answer
    x = 178,685.19

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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.