Home / 121,569.44-167,774.28-67,864.94

Finding the Fourth Proportional to 121,569.44, 167,774.28 and 67,864.94

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Solution

The fourth proportional to 121,569.44, 167,774.28 and 67,864.94 is: 93,658.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,569.44 : 167,774.28 = 67,864.94 : x
  2. Step 2: Convert to fraction form
    121,569.44/167,774.28 = 67,864.94/x
  3. Step 3: Cross multiply
    121,569.44x = 167,774.28 × 67,864.94
  4. Step 4: Simplify right side
    121,569.44x = 11,385,991,445.74
  5. Step 5: Solve for x
    x = 11,385,991,445.74/121,569.44
  6. Step 6: Final answer
    x = 93,658.34

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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.