Home / 239,087.69-329,941.01-131,657.49

Finding the Fourth Proportional to 239,087.69, 329,941.01 and 131,657.49

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Solution

The fourth proportional to 239,087.69, 329,941.01 and 131,657.49 is: 181,687.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,087.69 : 329,941.01 = 131,657.49 : x
  2. Step 2: Convert to fraction form
    239,087.69/329,941.01 = 131,657.49/x
  3. Step 3: Cross multiply
    239,087.69x = 329,941.01 × 131,657.49
  4. Step 4: Simplify right side
    239,087.69x = 43,439,205,224.66
  5. Step 5: Solve for x
    x = 43,439,205,224.66/239,087.69
  6. Step 6: Final answer
    x = 181,687.33

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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.