Home / 239,001.90-329,810.70-131,569.20

Finding the Fourth Proportional to 239,001.90, 329,810.70 and 131,569.20

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Solution

The fourth proportional to 239,001.90, 329,810.70 and 131,569.20 is: 181,558.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,001.90 : 329,810.70 = 131,569.20 : x
  2. Step 2: Convert to fraction form
    239,001.90/329,810.70 = 131,569.20/x
  3. Step 3: Cross multiply
    239,001.90x = 329,810.70 × 131,569.20
  4. Step 4: Simplify right side
    239,001.90x = 43,392,929,950.44
  5. Step 5: Solve for x
    x = 43,392,929,950.44/239,001.90
  6. Step 6: Final answer
    x = 181,558.93

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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.