Home / 74,569.14-111,853.16-30,195.20

Finding the Fourth Proportional to 74,569.14, 111,853.16 and 30,195.20

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Solution

The fourth proportional to 74,569.14, 111,853.16 and 30,195.20 is: 45,292.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,569.14 : 111,853.16 = 30,195.20 : x
  2. Step 2: Convert to fraction form
    74,569.14/111,853.16 = 30,195.20/x
  3. Step 3: Cross multiply
    74,569.14x = 111,853.16 × 30,195.20
  4. Step 4: Simplify right side
    74,569.14x = 3,377,428,536.83
  5. Step 5: Solve for x
    x = 3,377,428,536.83/74,569.14
  6. Step 6: Final answer
    x = 45,292.58

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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.