Home / 121,283.09-167,366.45-67,565.33

Finding the Fourth Proportional to 121,283.09, 167,366.45 and 67,565.33

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Solution

The fourth proportional to 121,283.09, 167,366.45 and 67,565.33 is: 93,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,283.09 : 167,366.45 = 67,565.33 : x
  2. Step 2: Convert to fraction form
    121,283.09/167,366.45 = 67,565.33/x
  3. Step 3: Cross multiply
    121,283.09x = 167,366.45 × 67,565.33
  4. Step 4: Simplify right side
    121,283.09x = 11,308,169,087.35
  5. Step 5: Solve for x
    x = 11,308,169,087.35/121,283.09
  6. Step 6: Final answer
    x = 93,237.80

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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.