Home / 236,448.29-326,299.58-129,020.55

Finding the Fourth Proportional to 236,448.29, 326,299.58 and 129,020.55

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Solution

The fourth proportional to 236,448.29, 326,299.58 and 129,020.55 is: 178,048.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,448.29 : 326,299.58 = 129,020.55 : x
  2. Step 2: Convert to fraction form
    236,448.29/326,299.58 = 129,020.55/x
  3. Step 3: Cross multiply
    236,448.29x = 326,299.58 × 129,020.55
  4. Step 4: Simplify right side
    236,448.29x = 42,099,350,631.27
  5. Step 5: Solve for x
    x = 42,099,350,631.27/236,448.29
  6. Step 6: Final answer
    x = 178,048.87

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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.