Home / 123,089.40-184,634.10-67,102.20

Finding the Fourth Proportional to 123,089.40, 184,634.10 and 67,102.20

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Solution

The fourth proportional to 123,089.40, 184,634.10 and 67,102.20 is: 100,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,089.40 : 184,634.10 = 67,102.20 : x
  2. Step 2: Convert to fraction form
    123,089.40/184,634.10 = 67,102.20/x
  3. Step 3: Cross multiply
    123,089.40x = 184,634.10 × 67,102.20
  4. Step 4: Simplify right side
    123,089.40x = 12,389,354,305.02
  5. Step 5: Solve for x
    x = 12,389,354,305.02/123,089.40
  6. Step 6: Final answer
    x = 100,653.30

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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.