Home / 121,684.02-167,913-67,961.58

Finding the Fourth Proportional to 121,684.02, 167,913 and 67,961.58

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Solution

The fourth proportional to 121,684.02, 167,913 and 67,961.58 is: 93,780.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,684.02 : 167,913 = 67,961.58 : x
  2. Step 2: Convert to fraction form
    121,684.02/167,913 = 67,961.58/x
  3. Step 3: Cross multiply
    121,684.02x = 167,913 × 67,961.58
  4. Step 4: Simplify right side
    121,684.02x = 11,411,632,782.54
  5. Step 5: Solve for x
    x = 11,411,632,782.54/121,684.02
  6. Step 6: Final answer
    x = 93,780.87

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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.