Home / 179,628.23-269,463.83-72,989.40

Finding the Fourth Proportional to 179,628.23, 269,463.83 and 72,989.40

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Solution

The fourth proportional to 179,628.23, 269,463.83 and 72,989.40 is: 109,492.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,628.23 : 269,463.83 = 72,989.40 : x
  2. Step 2: Convert to fraction form
    179,628.23/269,463.83 = 72,989.40/x
  3. Step 3: Cross multiply
    179,628.23x = 269,463.83 × 72,989.40
  4. Step 4: Simplify right side
    179,628.23x = 19,668,003,273.40
  5. Step 5: Solve for x
    x = 19,668,003,273.40/179,628.23
  6. Step 6: Final answer
    x = 109,492.83

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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.