Home / 239,929.80-331,094.08-131,030.52

Finding the Fourth Proportional to 239,929.80, 331,094.08 and 131,030.52

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Solution

The fourth proportional to 239,929.80, 331,094.08 and 131,030.52 is: 180,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,929.80 : 331,094.08 = 131,030.52 : x
  2. Step 2: Convert to fraction form
    239,929.80/331,094.08 = 131,030.52/x
  3. Step 3: Cross multiply
    239,929.80x = 331,094.08 × 131,030.52
  4. Step 4: Simplify right side
    239,929.80x = 43,383,429,471.32
  5. Step 5: Solve for x
    x = 43,383,429,471.32/239,929.80
  6. Step 6: Final answer
    x = 180,817.18

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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.