Home / 121,954.21-182,694.59-89,875.02

Finding the Fourth Proportional to 121,954.21, 182,694.59 and 89,875.02

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Solution

The fourth proportional to 121,954.21, 182,694.59 and 89,875.02 is: 134,638.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,954.21 : 182,694.59 = 89,875.02 : x
  2. Step 2: Convert to fraction form
    121,954.21/182,694.59 = 89,875.02/x
  3. Step 3: Cross multiply
    121,954.21x = 182,694.59 × 89,875.02
  4. Step 4: Simplify right side
    121,954.21x = 16,419,679,475.25
  5. Step 5: Solve for x
    x = 16,419,679,475.25/121,954.21
  6. Step 6: Final answer
    x = 134,638.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.