Home / 238,422.32-329,021.76-130,999.04

Finding the Fourth Proportional to 238,422.32, 329,021.76 and 130,999.04

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Solution

The fourth proportional to 238,422.32, 329,021.76 and 130,999.04 is: 180,778.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,422.32 : 329,021.76 = 130,999.04 : x
  2. Step 2: Convert to fraction form
    238,422.32/329,021.76 = 130,999.04/x
  3. Step 3: Cross multiply
    238,422.32x = 329,021.76 × 130,999.04
  4. Step 4: Simplify right side
    238,422.32x = 43,101,534,699.11
  5. Step 5: Solve for x
    x = 43,101,534,699.11/238,422.32
  6. Step 6: Final answer
    x = 180,778.10

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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.