Home / 161,976.20-242,964.30-144,465.80

Finding the Fourth Proportional to 161,976.20, 242,964.30 and 144,465.80

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Solution

The fourth proportional to 161,976.20, 242,964.30 and 144,465.80 is: 216,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,976.20 : 242,964.30 = 144,465.80 : x
  2. Step 2: Convert to fraction form
    161,976.20/242,964.30 = 144,465.80/x
  3. Step 3: Cross multiply
    161,976.20x = 242,964.30 × 144,465.80
  4. Step 4: Simplify right side
    161,976.20x = 35,100,031,970.94
  5. Step 5: Solve for x
    x = 35,100,031,970.94/161,976.20
  6. Step 6: Final answer
    x = 216,698.70

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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.