Home / 239,657.02-330,755.96-137,682.29

Finding the Fourth Proportional to 239,657.02, 330,755.96 and 137,682.29

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Solution

The fourth proportional to 239,657.02, 330,755.96 and 137,682.29 is: 190,018.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,657.02 : 330,755.96 = 137,682.29 : x
  2. Step 2: Convert to fraction form
    239,657.02/330,755.96 = 137,682.29/x
  3. Step 3: Cross multiply
    239,657.02x = 330,755.96 × 137,682.29
  4. Step 4: Simplify right side
    239,657.02x = 45,539,239,175.04
  5. Step 5: Solve for x
    x = 45,539,239,175.04/239,657.02
  6. Step 6: Final answer
    x = 190,018.38

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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.