Home / 121,296.30-167,368.95-67,569.18

Finding the Fourth Proportional to 121,296.30, 167,368.95 and 67,569.18

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Solution

The fourth proportional to 121,296.30, 167,368.95 and 67,569.18 is: 93,234.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,296.30 : 167,368.95 = 67,569.18 : x
  2. Step 2: Convert to fraction form
    121,296.30/167,368.95 = 67,569.18/x
  3. Step 3: Cross multiply
    121,296.30x = 167,368.95 × 67,569.18
  4. Step 4: Simplify right side
    121,296.30x = 11,308,982,708.96
  5. Step 5: Solve for x
    x = 11,308,982,708.96/121,296.30
  6. Step 6: Final answer
    x = 93,234.36

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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.