Home / 238,421.72-329,029.82-130,999.52

Finding the Fourth Proportional to 238,421.72, 329,029.82 and 130,999.52

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Solution

The fourth proportional to 238,421.72, 329,029.82 and 130,999.52 is: 180,783.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,421.72 : 329,029.82 = 130,999.52 : x
  2. Step 2: Convert to fraction form
    238,421.72/329,029.82 = 130,999.52/x
  3. Step 3: Cross multiply
    238,421.72x = 329,029.82 × 130,999.52
  4. Step 4: Simplify right side
    238,421.72x = 43,102,748,485.69
  5. Step 5: Solve for x
    x = 43,102,748,485.69/238,421.72
  6. Step 6: Final answer
    x = 180,783.65

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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.