Home / 120,840.30-181,260.45-50,856.30

Finding the Fourth Proportional to 120,840.30, 181,260.45 and 50,856.30

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Solution

The fourth proportional to 120,840.30, 181,260.45 and 50,856.30 is: 76,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,840.30 : 181,260.45 = 50,856.30 : x
  2. Step 2: Convert to fraction form
    120,840.30/181,260.45 = 50,856.30/x
  3. Step 3: Cross multiply
    120,840.30x = 181,260.45 × 50,856.30
  4. Step 4: Simplify right side
    120,840.30x = 9,218,235,823.34
  5. Step 5: Solve for x
    x = 9,218,235,823.34/120,840.30
  6. Step 6: Final answer
    x = 76,284.45

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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.