Home / 221,466.04-305,582.89-130,836.76

Finding the Fourth Proportional to 221,466.04, 305,582.89 and 130,836.76

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Solution

The fourth proportional to 221,466.04, 305,582.89 and 130,836.76 is: 180,530.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,466.04 : 305,582.89 = 130,836.76 : x
  2. Step 2: Convert to fraction form
    221,466.04/305,582.89 = 130,836.76/x
  3. Step 3: Cross multiply
    221,466.04x = 305,582.89 × 130,836.76
  4. Step 4: Simplify right side
    221,466.04x = 39,981,473,384.03
  5. Step 5: Solve for x
    x = 39,981,473,384.03/221,466.04
  6. Step 6: Final answer
    x = 180,530.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.