Home / 235,995.18-325,669.56-128,566.50

Finding the Fourth Proportional to 235,995.18, 325,669.56 and 128,566.50

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Solution

The fourth proportional to 235,995.18, 325,669.56 and 128,566.50 is: 177,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,995.18 : 325,669.56 = 128,566.50 : x
  2. Step 2: Convert to fraction form
    235,995.18/325,669.56 = 128,566.50/x
  3. Step 3: Cross multiply
    235,995.18x = 325,669.56 × 128,566.50
  4. Step 4: Simplify right side
    235,995.18x = 41,870,195,485.74
  5. Step 5: Solve for x
    x = 41,870,195,485.74/235,995.18
  6. Step 6: Final answer
    x = 177,419.71

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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.