Home / 220,711.04-304,582.56-120,109.76

Finding the Fourth Proportional to 220,711.04, 304,582.56 and 120,109.76

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Solution

The fourth proportional to 220,711.04, 304,582.56 and 120,109.76 is: 165,752.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,711.04 : 304,582.56 = 120,109.76 : x
  2. Step 2: Convert to fraction form
    220,711.04/304,582.56 = 120,109.76/x
  3. Step 3: Cross multiply
    220,711.04x = 304,582.56 × 120,109.76
  4. Step 4: Simplify right side
    220,711.04x = 36,583,338,181.79
  5. Step 5: Solve for x
    x = 36,583,338,181.79/220,711.04
  6. Step 6: Final answer
    x = 165,752.19

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1.5x scale

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.