Home / 120,111.38-180,026.31-48,989.62

Finding the Fourth Proportional to 120,111.38, 180,026.31 and 48,989.62

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Solution

The fourth proportional to 120,111.38, 180,026.31 and 48,989.62 is: 73,427.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,111.38 : 180,026.31 = 48,989.62 : x
  2. Step 2: Convert to fraction form
    120,111.38/180,026.31 = 48,989.62/x
  3. Step 3: Cross multiply
    120,111.38x = 180,026.31 × 48,989.62
  4. Step 4: Simplify right side
    120,111.38x = 8,819,419,616.77
  5. Step 5: Solve for x
    x = 8,819,419,616.77/120,111.38
  6. Step 6: Final answer
    x = 73,427.01

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1.5x scale

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.