Home / 142,243.43-213,376.14-42,395.94

Finding the Fourth Proportional to 142,243.43, 213,376.14 and 42,395.94

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Solution

The fourth proportional to 142,243.43, 213,376.14 and 42,395.94 is: 63,597.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,243.43 : 213,376.14 = 42,395.94 : x
  2. Step 2: Convert to fraction form
    142,243.43/213,376.14 = 42,395.94/x
  3. Step 3: Cross multiply
    142,243.43x = 213,376.14 × 42,395.94
  4. Step 4: Simplify right side
    142,243.43x = 9,046,282,028.87
  5. Step 5: Solve for x
    x = 9,046,282,028.87/142,243.43
  6. Step 6: Final answer
    x = 63,597.19

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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.