Home / 120,905.40-181,293.30-50,705.40

Finding the Fourth Proportional to 120,905.40, 181,293.30 and 50,705.40

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Solution

The fourth proportional to 120,905.40, 181,293.30 and 50,705.40 is: 76,030.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,905.40 : 181,293.30 = 50,705.40 : x
  2. Step 2: Convert to fraction form
    120,905.40/181,293.30 = 50,705.40/x
  3. Step 3: Cross multiply
    120,905.40x = 181,293.30 × 50,705.40
  4. Step 4: Simplify right side
    120,905.40x = 9,192,549,293.82
  5. Step 5: Solve for x
    x = 9,192,549,293.82/120,905.40
  6. Step 6: Final answer
    x = 76,030.92

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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.