Home / 238,708.08-329,410.80-131,289.12

Finding the Fourth Proportional to 238,708.08, 329,410.80 and 131,289.12

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Solution

The fourth proportional to 238,708.08, 329,410.80 and 131,289.12 is: 181,175.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,708.08 : 329,410.80 = 131,289.12 : x
  2. Step 2: Convert to fraction form
    238,708.08/329,410.80 = 131,289.12/x
  3. Step 3: Cross multiply
    238,708.08x = 329,410.80 × 131,289.12
  4. Step 4: Simplify right side
    238,708.08x = 43,248,054,050.50
  5. Step 5: Solve for x
    x = 43,248,054,050.50/238,708.08
  6. Step 6: Final answer
    x = 181,175.49

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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.