Home / 123,120.24-184,680.36-70,493.28

Finding the Fourth Proportional to 123,120.24, 184,680.36 and 70,493.28

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Solution

The fourth proportional to 123,120.24, 184,680.36 and 70,493.28 is: 105,739.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,120.24 : 184,680.36 = 70,493.28 : x
  2. Step 2: Convert to fraction form
    123,120.24/184,680.36 = 70,493.28/x
  3. Step 3: Cross multiply
    123,120.24x = 184,680.36 × 70,493.28
  4. Step 4: Simplify right side
    123,120.24x = 13,018,724,327.98
  5. Step 5: Solve for x
    x = 13,018,724,327.98/123,120.24
  6. Step 6: Final answer
    x = 105,739.92

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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.