Home / 142,361.12-213,578.84-42,521.33

Finding the Fourth Proportional to 142,361.12, 213,578.84 and 42,521.33

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Solution

The fourth proportional to 142,361.12, 213,578.84 and 42,521.33 is: 63,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,361.12 : 213,578.84 = 42,521.33 : x
  2. Step 2: Convert to fraction form
    142,361.12/213,578.84 = 42,521.33/x
  3. Step 3: Cross multiply
    142,361.12x = 213,578.84 × 42,521.33
  4. Step 4: Simplify right side
    142,361.12x = 9,081,656,976.91
  5. Step 5: Solve for x
    x = 9,081,656,976.91/142,361.12
  6. Step 6: Final answer
    x = 63,793.10

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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.