Home / 238,072.37-328,538.97-130,644.23

Finding the Fourth Proportional to 238,072.37, 328,538.97 and 130,644.23

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Solution

The fourth proportional to 238,072.37, 328,538.97 and 130,644.23 is: 180,288.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,072.37 : 328,538.97 = 130,644.23 : x
  2. Step 2: Convert to fraction form
    238,072.37/328,538.97 = 130,644.23/x
  3. Step 3: Cross multiply
    238,072.37x = 328,538.97 × 130,644.23
  4. Step 4: Simplify right side
    238,072.37x = 42,921,719,117.95
  5. Step 5: Solve for x
    x = 42,921,719,117.95/238,072.37
  6. Step 6: Final answer
    x = 180,288.54

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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.