Home / 162,624.05-243,795.77-78,268.17

Finding the Fourth Proportional to 162,624.05, 243,795.77 and 78,268.17

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Solution

The fourth proportional to 162,624.05, 243,795.77 and 78,268.17 is: 117,334.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,624.05 : 243,795.77 = 78,268.17 : x
  2. Step 2: Convert to fraction form
    162,624.05/243,795.77 = 78,268.17/x
  3. Step 3: Cross multiply
    162,624.05x = 243,795.77 × 78,268.17
  4. Step 4: Simplify right side
    162,624.05x = 19,081,450,028.30
  5. Step 5: Solve for x
    x = 19,081,450,028.30/162,624.05
  6. Step 6: Final answer
    x = 117,334.73

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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.