Home / 238,429.77-329,032.81-130,999.54

Finding the Fourth Proportional to 238,429.77, 329,032.81 and 130,999.54

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Solution

The fourth proportional to 238,429.77, 329,032.81 and 130,999.54 is: 180,779.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,429.77 : 329,032.81 = 130,999.54 : x
  2. Step 2: Convert to fraction form
    238,429.77/329,032.81 = 130,999.54/x
  3. Step 3: Cross multiply
    238,429.77x = 329,032.81 × 130,999.54
  4. Step 4: Simplify right side
    238,429.77x = 43,103,146,754.91
  5. Step 5: Solve for x
    x = 43,103,146,754.91/238,429.77
  6. Step 6: Final answer
    x = 180,779.22

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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.