Home / 142,351.02-213,563.70-42,511.23

Finding the Fourth Proportional to 142,351.02, 213,563.70 and 42,511.23

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Solution

The fourth proportional to 142,351.02, 213,563.70 and 42,511.23 is: 63,777.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,351.02 : 213,563.70 = 42,511.23 : x
  2. Step 2: Convert to fraction form
    142,351.02/213,563.70 = 42,511.23/x
  3. Step 3: Cross multiply
    142,351.02x = 213,563.70 × 42,511.23
  4. Step 4: Simplify right side
    142,351.02x = 9,078,855,570.35
  5. Step 5: Solve for x
    x = 9,078,855,570.35/142,351.02
  6. Step 6: Final answer
    x = 63,777.95

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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.