Home / 161,474.20-242,133.54-56,290.84

Finding the Fourth Proportional to 161,474.20, 242,133.54 and 56,290.84

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Solution

The fourth proportional to 161,474.20, 242,133.54 and 56,290.84 is: 84,409.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,474.20 : 242,133.54 = 56,290.84 : x
  2. Step 2: Convert to fraction form
    161,474.20/242,133.54 = 56,290.84/x
  3. Step 3: Cross multiply
    161,474.20x = 242,133.54 × 56,290.84
  4. Step 4: Simplify right side
    161,474.20x = 13,629,900,358.77
  5. Step 5: Solve for x
    x = 13,629,900,358.77/161,474.20
  6. Step 6: Final answer
    x = 84,409.15

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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.