Home / 121,431.02-167,575.54-67,719.44

Finding the Fourth Proportional to 121,431.02, 167,575.54 and 67,719.44

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Solution

The fourth proportional to 121,431.02, 167,575.54 and 67,719.44 is: 93,453.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,431.02 : 167,575.54 = 67,719.44 : x
  2. Step 2: Convert to fraction form
    121,431.02/167,575.54 = 67,719.44/x
  3. Step 3: Cross multiply
    121,431.02x = 167,575.54 × 67,719.44
  4. Step 4: Simplify right side
    121,431.02x = 11,348,121,726.50
  5. Step 5: Solve for x
    x = 11,348,121,726.50/121,431.02
  6. Step 6: Final answer
    x = 93,453.24

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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.