Home / 161,478.40-242,219.04-56,297.20

Finding the Fourth Proportional to 161,478.40, 242,219.04 and 56,297.20

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Solution

The fourth proportional to 161,478.40, 242,219.04 and 56,297.20 is: 84,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,478.40 : 242,219.04 = 56,297.20 : x
  2. Step 2: Convert to fraction form
    161,478.40/242,219.04 = 56,297.20/x
  3. Step 3: Cross multiply
    161,478.40x = 242,219.04 × 56,297.20
  4. Step 4: Simplify right side
    161,478.40x = 13,636,253,738.69
  5. Step 5: Solve for x
    x = 13,636,253,738.69/161,478.40
  6. Step 6: Final answer
    x = 84,446.30

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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.