Home / 120,003.10-179,615.85-106,006.30

Finding the Fourth Proportional to 120,003.10, 179,615.85 and 106,006.30

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Solution

The fourth proportional to 120,003.10, 179,615.85 and 106,006.30 is: 158,666.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,003.10 : 179,615.85 = 106,006.30 : x
  2. Step 2: Convert to fraction form
    120,003.10/179,615.85 = 106,006.30/x
  3. Step 3: Cross multiply
    120,003.10x = 179,615.85 × 106,006.30
  4. Step 4: Simplify right side
    120,003.10x = 19,040,411,679.86
  5. Step 5: Solve for x
    x = 19,040,411,679.86/120,003.10
  6. Step 6: Final answer
    x = 158,666.00

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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.